23985331 has 2 divisors, whose sum is σ = 23985332. Its totient is φ = 23985330.

The previous prime is 23985319. The next prime is 23985371. The reversal of 23985331 is 13358932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23985331 - 2⁹ = 23984819 is a prime.

It is a super-2 number, since 2×23985331² = 1150592206359122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23985371) 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 as a sum of consecutive naturals, namely, 11992665 + 11992666.

It is an arithmetic number, because the mean of its divisors is an integer number (11992666).

Almost surely, 2^23985331 is an apocalyptic number.

23985331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23985331 is an equidigital number, since it uses as much as digits as its factorization.

23985331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 23985331 is about 4897.4821081858. The cubic root of 23985331 is about 288.3911344206.

The spelling of 23985331 in words is "twenty-three million, nine hundred eighty-five thousand, three hundred thirty-one".