23316012 has 30 divisors (see below), whose sum is σ = 60953508. Its totient is φ = 7771896.

The previous prime is 23316011. The next prime is 23316023. The reversal of 23316012 is 21061332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23316011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35658 + ... + 36305.

Almost surely, 2^23316012 is an apocalyptic number.

It is an amenable number.

23316012 is an abundant number, since it is smaller than the sum of its proper divisors (37637496).

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

23316012 is a wasteful number, since it uses less digits than its factorization.

23316012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71979 (or 71968 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23316012 is about 4828.6656541947. The cubic root of 23316012 is about 285.6832361020.

Adding to 23316012 its reverse (21061332), we get a palindrome (44377344).

The spelling of 23316012 in words is "twenty-three million, three hundred sixteen thousand, twelve".