23880240064505 has 12 divisors (see below), whose sum is σ = 31498234003236. Its totient is φ = 17367447319200.

The previous prime is 23880240064477. The next prime is 23880240064529. The reversal of 23880240064505 is 50546004208832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12647895606544 + 11232344457961 = 3556388^2 + 3351469^2 .

It is not a de Polignac number, because 23880240064505 - 2²⁰ = 23880239015929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23880240064505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19735734986 + ... + 19735736195.

It is an arithmetic number, because the mean of its divisors is an integer number (2624852833603).

Almost surely, 2^{23880240064505} is an apocalyptic number.

It is an amenable number.

23880240064505 is a deficient number, since it is larger than the sum of its proper divisors (7617993938731).

23880240064505 is a wasteful number, since it uses less digits than its factorization.

23880240064505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39471471208 (or 39471471197 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 47.

The spelling of 23880240064505 in words is "twenty-three trillion, eight hundred eighty billion, two hundred forty million, sixty-four thousand, five hundred five".