23913012 has 24 divisors (see below), whose sum is σ = 56016576. Its totient is φ = 7939648.

The previous prime is 23913011. The next prime is 23913041. The reversal of 23913012 is 21031932.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23913012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23913011) 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, 633 + ... + 6944.

It is an arithmetic number, because the mean of its divisors is an integer number (2334024).

Almost surely, 2^23913012 is an apocalyptic number.

It is an amenable number.

23913012 is an abundant number, since it is smaller than the sum of its proper divisors (32103564).

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

23913012 is a wasteful number, since it uses less digits than its factorization.

23913012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847 (or 7845 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 23913012 is about 4890.0932506446. The cubic root of 23913012 is about 288.1009965997.

Adding to 23913012 its reverse (21031932), we get a palindrome (44944944).

The spelling of 23913012 in words is "twenty-three million, nine hundred thirteen thousand, twelve".