23364039609 has 9 divisors (see below), whose sum is σ = 33748719589. Its totient is φ = 15575720700.

The previous prime is 23364039563. The next prime is 23364039613. The reversal of 23364039609 is 90693046332.

The square root of 23364039609 is 152853.

It is a perfect power (a square), and thus also a powerful number.

23364039609 is a `hidden beast` number, since 2 + 3 + 3 + 6 + 4 + 0 + 39 + 609 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-23364039609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23364039659) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 433084 + ... + 484034.

Almost surely, 2^23364039609 is an apocalyptic number.

23364039609 is the 152853-rd square number.

23364039609 is the 76427-th centered octagonal number.

It is an amenable number.

23364039609 is a deficient number, since it is larger than the sum of its proper divisors (10384679980).

23364039609 is an frugal number, since it uses more digits than its factorization.

23364039609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101908 (or 50954 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 45.

The spelling of 23364039609 in words is "twenty-three billion, three hundred sixty-four million, thirty-nine thousand, six hundred nine".