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23300323000021 = 173134683947977
BaseRepresentation
bin1010100110001000001110…
…11110011011111011010101
310001111111012120102220120201
411103010013132123323111
511023223030142000041
6121320004241500501
74623251503453354
oct523040736337325
9101444176386521
1023300323000021
11747367a993781
122743913041731
1310002988340c2
145a7a5513599b
152a61652dc631
hex15310779bed5

23300323000021 has 4 divisors (see below), whose sum is σ = 23435006948172. Its totient is φ = 23165639051872.

The previous prime is 23300323000013. The next prime is 23300323000069. The reversal of 23300323000021 is 12000032300332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20849141359396 + 2451181640625 = 4566086^2 + 1565625^2 .

It is a cyclic number.

It is not a de Polignac number, because 23300323000021 - 23 = 23300323000013 is a prime.

It is a super-2 number, since 2×233003230000212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300323000921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67341973816 + ... + 67341974161.

It is an arithmetic number, because the mean of its divisors is an integer number (5858751737043).

Almost surely, 223300323000021 is an apocalyptic number.

It is an amenable number.

23300323000021 is a deficient number, since it is larger than the sum of its proper divisors (134683948151).

23300323000021 is a wasteful number, since it uses less digits than its factorization.

23300323000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134683948150.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23300323000021 its reverse (12000032300332), we get a palindrome (35300355300353).

The spelling of 23300323000021 in words is "twenty-three trillion, three hundred billion, three hundred twenty-three million, twenty-one", and thus it is an aban number.

Divisors: 1 173 134683947977 23300323000021