23204690 has 16 divisors (see below), whose sum is σ = 41824728. Its totient is φ = 9269376.

The previous prime is 23204689. The next prime is 23204707. The reversal of 23204690 is 9640232.

It can be written as a sum of positive squares in 4 ways, for example, as 16949689 + 6255001 = 4117^2 + 2501^2 .

It is a super-2 number, since 2×23204690² = 1076915275992200, which contains 22 as substring.

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, 11174 + ... + 13086.

Almost surely, 2^23204690 is an apocalyptic number.

23204690 is a deficient number, since it is larger than the sum of its proper divisors (18620038).

23204690 is a wasteful number, since it uses less digits than its factorization.

23204690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23204690 is about 4817.1246610400. The cubic root of 23204690 is about 285.2278469335.

The spelling of 23204690 in words is "twenty-three million, two hundred four thousand, six hundred ninety".