23049931 has 2 divisors, whose sum is σ = 23049932. Its totient is φ = 23049930.

The previous prime is 23049919. The next prime is 23049941. The reversal of 23049931 is 13994032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23049931 - 2¹¹ = 23047883 is a prime.

It is a super-2 number, since 2×23049931² = 1062598638209522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23049893 and 23049902.

It is not a weakly prime, because it can be changed into another prime (23049911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11524965 + 11524966.

It is an arithmetic number, because the mean of its divisors is an integer number (11524966).

Almost surely, 2^23049931 is an apocalyptic number.

23049931 is a deficient number, since it is larger than the sum of its proper divisors (1).

23049931 is an equidigital number, since it uses as much as digits as its factorization.

23049931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 23049931 is about 4801.0343677170. The cubic root of 23049931 is about 284.5923421757.

The spelling of 23049931 in words is "twenty-three million, forty-nine thousand, nine hundred thirty-one".