23921116 has 6 divisors (see below), whose sum is σ = 41861960. Its totient is φ = 11960556.

The previous prime is 23921113. The next prime is 23921123. The reversal of 23921116 is 61112932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23921113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2990136 + ... + 2990143.

Almost surely, 2^23921116 is an apocalyptic number.

It is an amenable number.

23921116 is a deficient number, since it is larger than the sum of its proper divisors (17940844).

23921116 is a wasteful number, since it uses less digits than its factorization.

23921116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980283 (or 5980281 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 23921116 is about 4890.9217945087. The cubic root of 23921116 is about 288.1335382522.

The spelling of 23921116 in words is "twenty-three million, nine hundred twenty-one thousand, one hundred sixteen".