23213968 has 10 divisors (see below), whose sum is σ = 44977094. Its totient is φ = 11606976.

The previous prime is 23213951. The next prime is 23213987. The reversal of 23213968 is 86931232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18249984 + 4963984 = 4272^2 + 2228^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725421 + ... + 725452.

Almost surely, 2^23213968 is an apocalyptic number.

It is an amenable number.

23213968 is a deficient number, since it is larger than the sum of its proper divisors (21763126).

23213968 is a wasteful number, since it uses less digits than its factorization.

23213968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450881 (or 1450875 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 23213968 is about 4818.0875874147. The cubic root of 23213968 is about 285.2658563667.

The spelling of 23213968 in words is "twenty-three million, two hundred thirteen thousand, nine hundred sixty-eight".