23979236 has 6 divisors (see below), whose sum is σ = 41963670. Its totient is φ = 11989616.

The previous prime is 23979229. The next prime is 23979239. The reversal of 23979236 is 63297932.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 164836 = 4880^2 + 406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23979193 and 23979202.

It is not an unprimeable number, because it can be changed into a prime (23979239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2997401 + ... + 2997408.

It is an arithmetic number, because the mean of its divisors is an integer number (6993945).

Almost surely, 2^23979236 is an apocalyptic number.

It is an amenable number.

23979236 is a deficient number, since it is larger than the sum of its proper divisors (17984434).

23979236 is a wasteful number, since it uses less digits than its factorization.

23979236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994813 (or 5994811 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 23979236 is about 4896.8598101232. The cubic root of 23979236 is about 288.3667043099.

The spelling of 23979236 in words is "twenty-three million, nine hundred seventy-nine thousand, two hundred thirty-six".