23961956 has 6 divisors (see below), whose sum is σ = 41933430. Its totient is φ = 11980976.

The previous prime is 23961943. The next prime is 23961967. The reversal of 23961956 is 65916932.

It can be written as a sum of positive squares in only one way, i.e., 21771556 + 2190400 = 4666^2 + 1480^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995241 + ... + 2995248.

It is an arithmetic number, because the mean of its divisors is an integer number (6988905).

Almost surely, 2^23961956 is an apocalyptic number.

It is an amenable number.

23961956 is a deficient number, since it is larger than the sum of its proper divisors (17971474).

23961956 is a wasteful number, since it uses less digits than its factorization.

23961956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990493 (or 5990491 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 23961956 is about 4895.0950961141. The cubic root of 23961956 is about 288.2974197272.

The spelling of 23961956 in words is "twenty-three million, nine hundred sixty-one thousand, nine hundred fifty-six".