23921204 has 12 divisors (see below), whose sum is σ = 42883428. Its totient is φ = 11668800.

The previous prime is 23921197. The next prime is 23921213. The reversal of 23921204 is 40212932.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 21641104 = 1510^2 + 4652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23921204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72767 + ... + 73094.

It is an arithmetic number, because the mean of its divisors is an integer number (3573619).

Almost surely, 2^23921204 is an apocalyptic number.

It is an amenable number.

23921204 is a deficient number, since it is larger than the sum of its proper divisors (18962224).

23921204 is a wasteful number, since it uses less digits than its factorization.

23921204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145906 (or 145904 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23921204 is about 4890.9307907596. The cubic root of 23921204 is about 288.1338915763.

The spelling of 23921204 in words is "twenty-three million, nine hundred twenty-one thousand, two hundred four".