23204212689 has 24 divisors (see below), whose sum is σ = 36070466400. Its totient is φ = 13229981184.

The previous prime is 23204212673. The next prime is 23204212693. The reversal of 23204212689 is 98621240232.

It is not a de Polignac number, because 23204212689 - 2⁴ = 23204212673 is a prime.

It is a super-2 number, since 2×23204212689² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23204212609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109779 + ... + 241784.

It is an arithmetic number, because the mean of its divisors is an integer number (1502936100).

Almost surely, 2^23204212689 is an apocalyptic number.

It is an amenable number.

23204212689 is a deficient number, since it is larger than the sum of its proper divisors (12866253711).

23204212689 is a wasteful number, since it uses less digits than its factorization.

23204212689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352029 (or 352022 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 23204212689 in words is "twenty-three billion, two hundred four million, two hundred twelve thousand, six hundred eighty-nine".