716521232923 has 4 divisors (see below), whose sum is σ = 758669540760. Its totient is φ = 674372925088.

The previous prime is 716521232881. The next prime is 716521232951. The reversal of 716521232923 is 329232125617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329232125617 = 1187 ⋅277364891.

It is a cyclic number.

It is not a de Polignac number, because 716521232923 - 2³³ = 707931298331 is a prime.

It is a super-3 number, since 3×716521232923³ (a number of 37 digits) contains 333 as substring.

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 716521232923.

It is not an unprimeable number, because it can be changed into a prime (716521232723) 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, 21074153893 + ... + 21074153926.

It is an arithmetic number, because the mean of its divisors is an integer number (189667385190).

Almost surely, 2^716521232923 is an apocalyptic number.

716521232923 is a deficient number, since it is larger than the sum of its proper divisors (42148307837).

716521232923 is a wasteful number, since it uses less digits than its factorization.

716521232923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42148307836.

The product of its digits is 272160, while the sum is 43.

The spelling of 716521232923 in words is "seven hundred sixteen billion, five hundred twenty-one million, two hundred thirty-two thousand, nine hundred twenty-three".