23083891 has 2 divisors, whose sum is σ = 23083892. Its totient is φ = 23083890.

The previous prime is 23083889. The next prime is 23083961. The reversal of 23083891 is 19838032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23083891 - 2¹ = 23083889 is a prime.

Together with 23083889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23083831) 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 as a sum of consecutive naturals, namely, 11541945 + 11541946.

It is an arithmetic number, because the mean of its divisors is an integer number (11541946).

Almost surely, 2^23083891 is an apocalyptic number.

23083891 is a deficient number, since it is larger than the sum of its proper divisors (1).

23083891 is an equidigital number, since it uses as much as digits as its factorization.

23083891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 23083891 is about 4804.5698038430. The cubic root of 23083891 is about 284.7320390998.

The spelling of 23083891 in words is "twenty-three million, eighty-three thousand, eight hundred ninety-one".