23058091 has 4 divisors (see below), whose sum is σ = 26352112. Its totient is φ = 19764072.

The previous prime is 23058089. The next prime is 23058097. The reversal of 23058091 is 19085032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23058091 - 2¹ = 23058089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23058097) 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 in 3 ways as a sum of consecutive naturals, for example, 1647000 + ... + 1647013.

It is an arithmetic number, because the mean of its divisors is an integer number (6588028).

Almost surely, 2^23058091 is an apocalyptic number.

23058091 is a deficient number, since it is larger than the sum of its proper divisors (3294021).

23058091 is an equidigital number, since it uses as much as digits as its factorization.

23058091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294020.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 23058091 is about 4801.8841093887. The cubic root of 23058091 is about 284.6259214450.

The spelling of 23058091 in words is "twenty-three million, fifty-eight thousand, ninety-one".