23451916 has 12 divisors (see below), whose sum is σ = 41218632. Its totient is φ = 11675168.

The previous prime is 23451913. The next prime is 23451929. The reversal of 23451916 is 61915432.

It is not an unprimeable number, because it can be changed into a prime (23451913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11650 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (3434886).

Almost surely, 2^23451916 is an apocalyptic number.

It is an amenable number.

23451916 is a deficient number, since it is larger than the sum of its proper divisors (17766716).

23451916 is a wasteful number, since it uses less digits than its factorization.

23451916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25400 (or 25398 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 23451916 is about 4842.7178319617. The cubic root of 23451916 is about 286.2372231033.

The spelling of 23451916 in words is "twenty-three million, four hundred fifty-one thousand, nine hundred sixteen".