23978712 has 32 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 7891104.

The previous prime is 23978711. The next prime is 23978749. The reversal of 23978712 is 21787932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23978711) 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, 4428 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (1897200).

Almost surely, 2^23978712 is an apocalyptic number.

It is an amenable number.

23978712 is an abundant number, since it is smaller than the sum of its proper divisors (36731688).

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

23978712 is a wasteful number, since it uses less digits than its factorization.

23978712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735 (or 12731 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 23978712 is about 4896.8063061551. The cubic root of 23978712 is about 288.3646038085.

The spelling of 23978712 in words is "twenty-three million, nine hundred seventy-eight thousand, seven hundred twelve".