23152777355513 has 6 divisors (see below), whose sum is σ = 25070758911774. Its totient is φ = 21371794481856.

The previous prime is 23152777355483. The next prime is 23152777355551. The reversal of 23152777355513 is 31555377725132.

It can be written as a sum of positive squares in 3 ways, for example, as 518476322809 + 22634301032704 = 720053^2 + 4757552^2 .

It is not a de Polignac number, because 23152777355513 - 2¹⁰ = 23152777354489 is a prime.

It is a super-3 number, since 3×23152777355513³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23152077355513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68499341120 + ... + 68499341457.

It is an arithmetic number, because the mean of its divisors is an integer number (4178459818629).

Almost surely, 2^{23152777355513} is an apocalyptic number.

It is an amenable number.

23152777355513 is a deficient number, since it is larger than the sum of its proper divisors (1917981556261).

23152777355513 is a wasteful number, since it uses less digits than its factorization.

23152777355513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136998682603 (or 136998682590 counting only the distinct ones).

The product of its digits is 23152500, while the sum is 56.

The spelling of 23152777355513 in words is "twenty-three trillion, one hundred fifty-two billion, seven hundred seventy-seven million, three hundred fifty-five thousand, five hundred thirteen".