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23240143441420 = 2251768353363063
BaseRepresentation
bin1010100100011000001000…
…11111101000111000001100
310001021201212112222120201221
411102030010133220320030
511021231303210111140
6121232212521013124
74616021263606243
oct522140437507014
9101251775876657
1023240143441420
1174500a9115684
1227341190241a4
13cc76c7b28c29
145a4b868a195a
152a47e1e1c14a
hex1523047e8e0c

23240143441420 has 24 divisors (see below), whose sum is σ = 51675142476384. Its totient is φ = 8749230471936.

The previous prime is 23240143441349. The next prime is 23240143441447. The reversal of 23240143441420 is 2414434104232.

It is a super-3 number, since 3×232401434414203 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34176681192 + ... + 34176681871.

It is an arithmetic number, because the mean of its divisors is an integer number (2153130936516).

Almost surely, 223240143441420 is an apocalyptic number.

23240143441420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240143441420 is an abundant number, since it is smaller than the sum of its proper divisors (28434999034964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23240143441420 is a wasteful number, since it uses less digits than its factorization.

23240143441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68353363089 (or 68353363087 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 23240143441420 its reverse (2414434104232), we get a palindrome (25654577545652).

The spelling of 23240143441420 in words is "twenty-three trillion, two hundred forty billion, one hundred forty-three million, four hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 68353363063 136706726126 273413452252 341766815315 683533630630 1162007172071 1367067261260 2324014344142 4648028688284 5810035860355 11620071720710 23240143441420