23169331 has 2 divisors, whose sum is σ = 23169332. Its totient is φ = 23169330.

The previous prime is 23169329. The next prime is 23169353. The reversal of 23169331 is 13396132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23169331 - 2¹ = 23169329 is a prime.

It is a super-2 number, since 2×23169331² = 1073635797975122, which contains 22 as substring.

Together with 23169329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23169331.

It is not a weakly prime, because it can be changed into another prime (23169301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11584665 + 11584666.

It is an arithmetic number, because the mean of its divisors is an integer number (11584666).

Almost surely, 2^23169331 is an apocalyptic number.

23169331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23169331 is an equidigital number, since it uses as much as digits as its factorization.

23169331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 28.

The square root of 23169331 is about 4813.4531263948. The cubic root of 23169331 is about 285.0828978099.

The spelling of 23169331 in words is "twenty-three million, one hundred sixty-nine thousand, three hundred thirty-one".