11923956 has 48 divisors (see below), whose sum is σ = 33727680. Its totient is φ = 3612960.

The previous prime is 11923931. The next prime is 11923969. The reversal of 11923956 is 65932911.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11923956.

It is a congruent number.

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, 3831 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (702660).

Almost surely, 2^11923956 is an apocalyptic number.

It is an amenable number.

11923956 is an abundant number, since it is smaller than the sum of its proper divisors (21803724).

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

11923956 is a wasteful number, since it uses less digits than its factorization.

11923956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061 (or 10053 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 11923956 is about 3453.1081651173. The cubic root of 11923956 is about 228.4582197567.

The spelling of 11923956 in words is "eleven million, nine hundred twenty-three thousand, nine hundred fifty-six".