23438012 has 24 divisors (see below), whose sum is σ = 46094496. Its totient is φ = 10346688.

The previous prime is 23437987. The next prime is 23438027. The reversal of 23438012 is 21083432.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8603 + ... + 10994.

It is an arithmetic number, because the mean of its divisors is an integer number (1920604).

Almost surely, 2^23438012 is an apocalyptic number.

It is an amenable number.

23438012 is a deficient number, since it is larger than the sum of its proper divisors (22656484).

23438012 is a wasteful number, since it uses less digits than its factorization.

23438012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19637 (or 19635 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23438012 is about 4841.2820616031. The cubic root of 23438012 is about 286.1806445118.

It can be divided in two parts, 23 and 438012, that multiplied together give a square (10074276 = 3174²).

The spelling of 23438012 in words is "twenty-three million, four hundred thirty-eight thousand, twelve".