23949156 has 48 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 6220320.

The previous prime is 23949131. The next prime is 23949169. The reversal of 23949156 is 65194932.

It is a super-2 number, since 2×23949156² = 1147124146224672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12036 + ... + 13883.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^23949156 is an apocalyptic number.

It is an amenable number.

23949156 is an abundant number, since it is smaller than the sum of its proper divisors (45723804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23949156 is a wasteful number, since it uses less digits than its factorization.

23949156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25944 (or 25942 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 23949156 is about 4893.7874902779. The cubic root of 23949156 is about 288.2460763359.

The spelling of 23949156 in words is "twenty-three million, nine hundred forty-nine thousand, one hundred fifty-six".