23995988 has 12 divisors (see below), whose sum is σ = 43017492. Its totient is φ = 11705280.

The previous prime is 23995859. The next prime is 23995999. The reversal of 23995988 is 88959932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12517444 + 11478544 = 3538^2 + 3388^2 .

It is a super-2 number, since 2×23995988² = 1151614880192288, which contains 22 as substring.

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, 72995 + ... + 73322.

It is an arithmetic number, because the mean of its divisors is an integer number (3584791).

Almost surely, 2^23995988 is an apocalyptic number.

It is an amenable number.

23995988 is a deficient number, since it is larger than the sum of its proper divisors (19021504).

23995988 is a wasteful number, since it uses less digits than its factorization.

23995988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146362 (or 146360 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 53.

The square root of 23995988 is about 4898.5699954170. The cubic root of 23995988 is about 288.4338400956.

The spelling of 23995988 in words is "twenty-three million, nine hundred ninety-five thousand, nine hundred eighty-eight".