723556716627323 has 4 divisors (see below), whose sum is σ = 723723935655600. Its totient is φ = 723389497599048.

The previous prime is 723556716627287. The next prime is 723556716627397. The reversal of 723556716627323 is 323726617655327.

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

It is a cyclic number.

It is not a de Polignac number, because 723556716627323 - 2¹⁶ = 723556716561787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 723556716627323.

It is not an unprimeable number, because it can be changed into a prime (723556716624323) 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, 83609507648 + ... + 83609516301.

It is an arithmetic number, because the mean of its divisors is an integer number (180930983913900).

Almost surely, 2^{723556716627323} is an apocalyptic number.

723556716627323 is a deficient number, since it is larger than the sum of its proper divisors (167219028277).

723556716627323 is a wasteful number, since it uses less digits than its factorization.

723556716627323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167219028276.

The product of its digits is 400075200, while the sum is 65.

The spelling of 723556716627323 in words is "seven hundred twenty-three trillion, five hundred fifty-six billion, seven hundred sixteen million, six hundred twenty-seven thousand, three hundred twenty-three".