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23132331121 = 231979508213
BaseRepresentation
bin10101100010110010…
…110101110001110001
32012201010120011202111
4111202302311301301
5334333334043441
614343222045321
71446145366414
oct254262656161
965633504674
1023132331121
1198a0663829
124596b79841
1322486129c3
1411962d7b7b
15905c4e081
hex562cb5c71

23132331121 has 8 divisors (see below), whose sum is σ = 24150329280. Its totient is φ = 22115353392.

The previous prime is 23132331113. The next prime is 23132331133. The reversal of 23132331121 is 12113323132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23132331121 - 23 = 23132331113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23132331092 and 23132331101.

It is not an unprimeable number, because it can be changed into a prime (23132331821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208590 + ... + 299623.

It is an arithmetic number, because the mean of its divisors is an integer number (3018791160).

Almost surely, 223132331121 is an apocalyptic number.

It is an amenable number.

23132331121 is a deficient number, since it is larger than the sum of its proper divisors (1017998159).

23132331121 is a wasteful number, since it uses less digits than its factorization.

23132331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510215.

The product of its digits is 648, while the sum is 22.

Adding to 23132331121 its reverse (12113323132), we get a palindrome (35245654253).

The spelling of 23132331121 in words is "twenty-three billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 23 1979 45517 508213 11688899 1005753527 23132331121