23313319969 has 9 divisors (see below), whose sum is σ = 23471806323. Its totient is φ = 23155899672.

The previous prime is 23313319943. The next prime is 23313319987. The reversal of 23313319969 is 96991331332.

The square root of 23313319969 is 152687.

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

It can be written as a sum of positive squares in only one way, i.e., 1346523025 + 21966796944 = 36695^2 + 148212^2 .

It is not a de Polignac number, because 23313319969 - 2¹¹ = 23313317921 is a prime.

It is a super-2 number, since 2×23313319969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313319999) 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, 27330547 + ... + 27331399.

Almost surely, 2^23313319969 is an apocalyptic number.

23313319969 is the 152687-th square number.

23313319969 is the 76344-th centered octagonal number.

It is an amenable number.

23313319969 is a deficient number, since it is larger than the sum of its proper divisors (158486354).

23313319969 is an frugal number, since it uses more digits than its factorization.

23313319969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 1032 counting only the distinct ones).

The product of its digits is 708588, while the sum is 49.

Multiplying 23313319969 by its sum of digits (49), we get a square (1142352678481 = 1068809²).

The spelling of 23313319969 in words is "twenty-three billion, three hundred thirteen million, three hundred nineteen thousand, nine hundred sixty-nine".