23331201312 has 24 divisors (see below), whose sum is σ = 61244403696. Its totient is φ = 7777067072.

The previous prime is 23331201301. The next prime is 23331201323. The reversal of 23331201312 is 21310213332.

It is an interprime number because it is at equal distance from previous prime (23331201301) and next prime (23331201323).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×23331201312² (a number of 22 digits) contains 22 as substring.

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, 121516578 + ... + 121516769.

It is an arithmetic number, because the mean of its divisors is an integer number (2551850154).

Almost surely, 2^23331201312 is an apocalyptic number.

It is an amenable number.

23331201312 is an abundant number, since it is smaller than the sum of its proper divisors (37913202384).

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

23331201312 is a wasteful number, since it uses less digits than its factorization.

23331201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243033360 (or 243033352 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23331201312 its reverse (21310213332), we get a palindrome (44641414644).

The spelling of 23331201312 in words is "twenty-three billion, three hundred thirty-one million, two hundred one thousand, three hundred twelve".