23449369 has 2 divisors, whose sum is σ = 23449370. Its totient is φ = 23449368.

The previous prime is 23449367. The next prime is 23449399. The reversal of 23449369 is 96394432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13286025 + 10163344 = 3645^2 + 3188^2 .

It is a cyclic number.

It is not a de Polignac number, because 23449369 - 2¹ = 23449367 is a prime.

It is a super-2 number, since 2×23449369² = 1099745812996322, which contains 22 as substring.

Together with 23449367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23449367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11724684 + 11724685.

It is an arithmetic number, because the mean of its divisors is an integer number (11724685).

Almost surely, 2^23449369 is an apocalyptic number.

It is an amenable number.

23449369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23449369 is an equidigital number, since it uses as much as digits as its factorization.

23449369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 23449369 is about 4842.4548526548. The cubic root of 23449369 is about 286.2268604446.

The spelling of 23449369 in words is "twenty-three million, four hundred forty-nine thousand, three hundred sixty-nine".