716123431 has 4 divisors (see below), whose sum is σ = 723213864. Its totient is φ = 709033000.

The previous prime is 716123411. The next prime is 716123449. The reversal of 716123431 is 134321617.

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 716123431 - 2⁵ = 716123399 is a prime.

It is a super-2 number, since 2×716123431² = 1025665536854423522, which contains 22 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 716123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3545065 + ... + 3545266.

It is an arithmetic number, because the mean of its divisors is an integer number (180803466).

Almost surely, 2^716123431 is an apocalyptic number.

716123431 is a deficient number, since it is larger than the sum of its proper divisors (7090433).

716123431 is a wasteful number, since it uses less digits than its factorization.

716123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090432.

The product of its digits is 3024, while the sum is 28.

The square root of 716123431 is about 26760.4826376506. The cubic root of 716123431 is about 894.6694912716.

The spelling of 716123431 in words is "seven hundred sixteen million, one hundred twenty-three thousand, four hundred thirty-one".