23751012 has 12 divisors (see below), whose sum is σ = 55419056. Its totient is φ = 7917000.

The previous prime is 23751011. The next prime is 23751043. The reversal of 23751012 is 21015732.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23751012² = 1128221142048288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23751012.

It is not an unprimeable number, because it can be changed into a prime (23751011) 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, 989614 + ... + 989637.

Almost surely, 2^23751012 is an apocalyptic number.

It is an amenable number.

23751012 is an abundant number, since it is smaller than the sum of its proper divisors (31668044).

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

23751012 is a wasteful number, since it uses less digits than its factorization.

23751012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979258 (or 1979256 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 23751012 is about 4873.5010003077. The cubic root of 23751012 is about 287.4489366148.

Adding to 23751012 its reverse (21015732), we get a palindrome (44766744).

The spelling of 23751012 in words is "twenty-three million, seven hundred fifty-one thousand, twelve".