23620854689 has 2 divisors, whose sum is σ = 23620854690. Its totient is φ = 23620854688.

The previous prime is 23620854679. The next prime is 23620854703. The reversal of 23620854689 is 98645802632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18889753600 + 4731101089 = 137440^2 + 68783^2 .

It is a cyclic number.

It is not a de Polignac number, because 23620854689 - 2¹² = 23620850593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23620854689.

It is not a weakly prime, because it can be changed into another prime (23620854619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11810427344 + 11810427345.

It is an arithmetic number, because the mean of its divisors is an integer number (11810427345).

Almost surely, 2^23620854689 is an apocalyptic number.

It is an amenable number.

23620854689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23620854689 is an equidigital number, since it uses as much as digits as its factorization.

23620854689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 23620854689 in words is "twenty-three billion, six hundred twenty million, eight hundred fifty-four thousand, six hundred eighty-nine".