23449523 has 2 divisors, whose sum is σ = 23449524. Its totient is φ = 23449522.

The previous prime is 23449519. The next prime is 23449549. The reversal of 23449523 is 32594432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23449523 - 2² = 23449519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23449523.

It is not a weakly prime, because it can be changed into another prime (23449583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11724761 + 11724762.

It is an arithmetic number, because the mean of its divisors is an integer number (11724762).

Almost surely, 2^23449523 is an apocalyptic number.

23449523 is a deficient number, since it is larger than the sum of its proper divisors (1).

23449523 is an equidigital number, since it uses as much as digits as its factorization.

23449523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 23449523 is about 4842.4707536546. The cubic root of 23449523 is about 286.2274870264.

The spelling of 23449523 in words is "twenty-three million, four hundred forty-nine thousand, five hundred twenty-three".