23531359 has 2 divisors, whose sum is σ = 23531360. Its totient is φ = 23531358.

The previous prime is 23531357. The next prime is 23531401. The reversal of 23531359 is 95313532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23531359 - 2¹ = 23531357 is a prime.

Together with 23531357, 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 23531359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23531357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765679 + 11765680.

It is an arithmetic number, because the mean of its divisors is an integer number (11765680).

Almost surely, 2^23531359 is an apocalyptic number.

23531359 is a deficient number, since it is larger than the sum of its proper divisors (1).

23531359 is an equidigital number, since it uses as much as digits as its factorization.

23531359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 31.

The square root of 23531359 is about 4850.9132129940. The cubic root of 23531359 is about 286.5600668788.

The spelling of 23531359 in words is "twenty-three million, five hundred thirty-one thousand, three hundred fifty-nine".