23083947 has 20 divisors (see below), whose sum is σ = 34612776. Its totient is φ = 15331680.

The previous prime is 23083891. The next prime is 23083961. The reversal of 23083947 is 74938032.

It is not a de Polignac number, because 23083947 - 2⁶ = 23083883 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23083847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41928 + ... + 42474.

Almost surely, 2^23083947 is an apocalyptic number.

23083947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23083947 is a deficient number, since it is larger than the sum of its proper divisors (11528829).

23083947 is an equidigital number, since it uses as much as digits as its factorization.

23083947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 23083947 is about 4804.5756316245. The cubic root of 23083947 is about 284.7322693467.

The spelling of 23083947 in words is "twenty-three million, eighty-three thousand, nine hundred forty-seven".