23360320736639 has 4 divisors (see below), whose sum is σ = 23376464705424. Its totient is φ = 23344176767856.

The previous prime is 23360320736629. The next prime is 23360320736647. The reversal of 23360320736639 is 93663702306332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23360320736639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23360320736629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8071982222 + ... + 8071985115.

It is an arithmetic number, because the mean of its divisors is an integer number (5844116176356).

Almost surely, 2^{23360320736639} is an apocalyptic number.

23360320736639 is a deficient number, since it is larger than the sum of its proper divisors (16143968785).

23360320736639 is a wasteful number, since it uses less digits than its factorization.

23360320736639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143968784.

The product of its (nonzero) digits is 13226976, while the sum is 53.

The spelling of 23360320736639 in words is "twenty-three trillion, three hundred sixty billion, three hundred twenty million, seven hundred thirty-six thousand, six hundred thirty-nine".