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23312230144340 = 2251165611507217
BaseRepresentation
bin1010100110011110011010…
…01100100101100101010100
310001112121221101211111212212
411103033031030211211110
511023421421404104330
6121325253553132552
74624152536512004
oct523171514454524
9101477841744785
1023312230144340
117478730193515
12274609685a158
131001445686c27
145a84646a2004
152a661081a295
hex1533cd325954

23312230144340 has 12 divisors (see below), whose sum is σ = 48955683303156. Its totient is φ = 9324892057728.

The previous prime is 23312230144309. The next prime is 23312230144363. The reversal of 23312230144340 is 4344103221332.

It can be written as a sum of positive squares in 2 ways, for example, as 2893652753476 + 20418577390864 = 1701074^2 + 4518692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23312230144297 and 23312230144306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582805753589 + ... + 582805753628.

It is an arithmetic number, because the mean of its divisors is an integer number (4079640275263).

Almost surely, 223312230144340 is an apocalyptic number.

23312230144340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312230144340 is an abundant number, since it is smaller than the sum of its proper divisors (25643453158816).

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

23312230144340 is a wasteful number, since it uses less digits than its factorization.

23312230144340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165611507226 (or 1165611507224 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 23312230144340 its reverse (4344103221332), we get a palindrome (27656333365672).

The spelling of 23312230144340 in words is "twenty-three trillion, three hundred twelve billion, two hundred thirty million, one hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1165611507217 2331223014434 4662446028868 5828057536085 11656115072170 23312230144340