715985667423 has 12 divisors (see below), whose sum is σ = 1113755482840. Its totient is φ = 440606564496.

The previous prime is 715985667413. The next prime is 715985667433. The reversal of 715985667423 is 324766589517.

715985667423 is a `hidden beast` number, since 7 + 15 + 98 + 56 + 67 + 423 = 666.

It is an interprime number because it is at equal distance from previous prime (715985667413) and next prime (715985667433).

It is not a de Polignac number, because 715985667423 - 2⁶ = 715985667359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715985667413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3059767693 + ... + 3059767926.

Almost surely, 2^715985667423 is an apocalyptic number.

715985667423 is a deficient number, since it is larger than the sum of its proper divisors (397769815417).

715985667423 is a wasteful number, since it uses less digits than its factorization.

715985667423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119535638 (or 6119535635 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 715985667423 in words is "seven hundred fifteen billion, nine hundred eighty-five million, six hundred sixty-seven thousand, four hundred twenty-three".