23909432 has 32 divisors (see below), whose sum is σ = 46588800. Its totient is φ = 11491200.

The previous prime is 23909423. The next prime is 23909441. The reversal of 23909432 is 23490932.

It is an interprime number because it is at equal distance from previous prime (23909423) and next prime (23909441).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56582 + ... + 57002.

It is an arithmetic number, because the mean of its divisors is an integer number (1455900).

Almost surely, 2^23909432 is an apocalyptic number.

It is an amenable number.

23909432 is a deficient number, since it is larger than the sum of its proper divisors (22679368).

23909432 is a wasteful number, since it uses less digits than its factorization.

23909432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 23909432 is about 4889.7271907541. The cubic root of 23909432 is about 288.0866187505.

The spelling of 23909432 in words is "twenty-three million, nine hundred nine thousand, four hundred thirty-two".