23132579 has 2 divisors, whose sum is σ = 23132580. Its totient is φ = 23132578.

The previous prime is 23132573. The next prime is 23132591. The reversal of 23132579 is 97523132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23132579 is a prime.

It is a super-2 number, since 2×23132579² = 1070232422382482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23132573) 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, 11566289 + 11566290.

It is an arithmetic number, because the mean of its divisors is an integer number (11566290).

Almost surely, 2^23132579 is an apocalyptic number.

23132579 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132579 is an equidigital number, since it uses as much as digits as its factorization.

23132579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 23132579 is about 4809.6339777576. The cubic root of 23132579 is about 284.9320818972.

The spelling of 23132579 in words is "twenty-three million, one hundred thirty-two thousand, five hundred seventy-nine".