15323923932813 has 12 divisors (see below), whose sum is σ = 22897817371260. Its totient is φ = 9863675174976.

The previous prime is 15323923932803. The next prime is 15323923932853. The reversal of 15323923932813 is 31823932932351.

It is a happy number.

15323923932813 is a `hidden beast` number, since 1 + 5 + 3 + 239 + 2 + 393 + 2 + 8 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3559421809449 + 11764502123364 = 1886643^2 + 3429942^2 .

It is not a de Polignac number, because 15323923932813 - 2²⁸ = 15323655497357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15323923932813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15323923932803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29356175856 + ... + 29356176377.

It is an arithmetic number, because the mean of its divisors is an integer number (1908151447605).

Almost surely, 2^{15323923932813} is an apocalyptic number.

It is an amenable number.

15323923932813 is a deficient number, since it is larger than the sum of its proper divisors (7573893438447).

15323923932813 is a wasteful number, since it uses less digits than its factorization.

15323923932813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58712352268 (or 58712352265 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The spelling of 15323923932813 in words is "fifteen trillion, three hundred twenty-three billion, nine hundred twenty-three million, nine hundred thirty-two thousand, eight hundred thirteen".