23132591 has 2 divisors, whose sum is σ = 23132592. Its totient is φ = 23132590.

The previous prime is 23132579. The next prime is 23132623. The reversal of 23132591 is 19523132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23132591 - 2¹⁴ = 23116207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23132591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23132521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566295 + 11566296.

It is an arithmetic number, because the mean of its divisors is an integer number (11566296).

Almost surely, 2^23132591 is an apocalyptic number.

23132591 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132591 is an equidigital number, since it uses as much as digits as its factorization.

23132591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 23132591 is about 4809.6352252536. The cubic root of 23132591 is about 284.9321311666.

The spelling of 23132591 in words is "twenty-three million, one hundred thirty-two thousand, five hundred ninety-one".