11923931 has 2 divisors, whose sum is σ = 11923932. Its totient is φ = 11923930.

The previous prime is 11923927. The next prime is 11923969. The reversal of 11923931 is 13932911.

11923931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11923931 - 2² = 11923927 is a prime.

It is a super-2 number, since 2×11923931² = 284360260985522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11923894 and 11923903.

It is not a weakly prime, because it can be changed into another prime (11923921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5961965 + 5961966.

It is an arithmetic number, because the mean of its divisors is an integer number (5961966).

Almost surely, 2^11923931 is an apocalyptic number.

11923931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11923931 is an equidigital number, since it uses as much as digits as its factorization.

11923931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The square root of 11923931 is about 3453.1045451883. The cubic root of 11923931 is about 228.4580600932.

The spelling of 11923931 in words is "eleven million, nine hundred twenty-three thousand, nine hundred thirty-one".