523313163937 has 4 divisors (see below), whose sum is σ = 532182878640. Its totient is φ = 514443449236.

The previous prime is 523313163917. The next prime is 523313163941. The reversal of 523313163937 is 739361313325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523313163937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523313163917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4434857263 + ... + 4434857380.

It is an arithmetic number, because the mean of its divisors is an integer number (133045719660).

Almost surely, 2^523313163937 is an apocalyptic number.

It is an amenable number.

523313163937 is a deficient number, since it is larger than the sum of its proper divisors (8869714703).

523313163937 is an equidigital number, since it uses as much as digits as its factorization.

523313163937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869714702.

The product of its digits is 918540, while the sum is 46.

The spelling of 523313163937 in words is "five hundred twenty-three billion, three hundred thirteen million, one hundred sixty-three thousand, nine hundred thirty-seven".