23818964 has 12 divisors (see below), whose sum is σ = 44889684. Its totient is φ = 10993344.

The previous prime is 23818903. The next prime is 23818967. The reversal of 23818964 is 46981832.

It can be written as a sum of positive squares in 2 ways, for example, as 11971600 + 11847364 = 3460^2 + 3442^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23818967) 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, 228977 + ... + 229080.

It is an arithmetic number, because the mean of its divisors is an integer number (3740807).

Almost surely, 2^23818964 is an apocalyptic number.

It is an amenable number.

23818964 is a deficient number, since it is larger than the sum of its proper divisors (21070720).

23818964 is a wasteful number, since it uses less digits than its factorization.

23818964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458074 (or 458072 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 23818964 is about 4880.4676005481. The cubic root of 23818964 is about 287.7228074977.

The spelling of 23818964 in words is "twenty-three million, eight hundred eighteen thousand, nine hundred sixty-four".