23522689 has 2 divisors, whose sum is σ = 23522690. Its totient is φ = 23522688.

The previous prime is 23522671. The next prime is 23522699. The reversal of 23522689 is 98622532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 242064 = 4825^2 + 492^2 .

It is a cyclic number.

It is not a de Polignac number, because 23522689 - 2⁵ = 23522657 is a prime.

It is not a weakly prime, because it can be changed into another prime (23522659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11761344 + 11761345.

It is an arithmetic number, because the mean of its divisors is an integer number (11761345).

Almost surely, 2^23522689 is an apocalyptic number.

It is an amenable number.

23522689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23522689 is an equidigital number, since it uses as much as digits as its factorization.

23522689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 23522689 is about 4850.0194844969. The cubic root of 23522689 is about 286.5248687279.

It can be divided in two parts, 2352 and 2689, that added together give a square (5041 = 71²).

The spelling of 23522689 in words is "twenty-three million, five hundred twenty-two thousand, six hundred eighty-nine".