23645012 has 36 divisors (see below), whose sum is σ = 44523360. Its totient is φ = 10966032.

The previous prime is 23644991. The next prime is 23645023. The reversal of 23645012 is 21054632.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170039 + ... + 170177.

It is an arithmetic number, because the mean of its divisors is an integer number (1236760).

Almost surely, 2^23645012 is an apocalyptic number.

It is an amenable number.

23645012 is a deficient number, since it is larger than the sum of its proper divisors (20878348).

23645012 is a wasteful number, since it uses less digits than its factorization.

23645012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23645012 is about 4862.6137004701. The cubic root of 23645012 is about 287.0206737648.

Adding to 23645012 its reverse (21054632), we get a palindrome (44699644).

The spelling of 23645012 in words is "twenty-three million, six hundred forty-five thousand, twelve".