723513732513 has 32 divisors (see below), whose sum is σ = 1172416775040. Its totient is φ = 390805578240.

The previous prime is 723513732349. The next prime is 723513732547. The reversal of 723513732513 is 315237315327.

723513732513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 723513732513 - 2⁸ = 723513732257 is a prime.

It is a super-2 number, since 2×723513732513² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (723513732713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29065356 + ... + 29090237.

It is an arithmetic number, because the mean of its divisors is an integer number (36638024220).

Almost surely, 2^723513732513 is an apocalyptic number.

It is an amenable number.

723513732513 is a deficient number, since it is larger than the sum of its proper divisors (448903042527).

723513732513 is a wasteful number, since it uses less digits than its factorization.

723513732513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58155649.

The product of its digits is 396900, while the sum is 42.

The spelling of 723513732513 in words is "seven hundred twenty-three billion, five hundred thirteen million, seven hundred thirty-two thousand, five hundred thirteen".