712887623 has 12 divisors (see below), whose sum is σ = 849506112. Its totient is φ = 596141280.

The previous prime is 712887613. The next prime is 712887647. The reversal of 712887623 is 326788217.

It is a happy number.

It is not a de Polignac number, because 712887623 - 2²⁶ = 645778759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712887613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175415 + ... + 179432.

It is an arithmetic number, because the mean of its divisors is an integer number (70792176).

Almost surely, 2^712887623 is an apocalyptic number.

712887623 is a deficient number, since it is larger than the sum of its proper divisors (136618489).

712887623 is a wasteful number, since it uses less digits than its factorization.

712887623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354902 (or 354895 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 712887623 is about 26699.9554868543. The cubic root of 712887623 is about 893.3199334176.

The spelling of 712887623 in words is "seven hundred twelve million, eight hundred eighty-seven thousand, six hundred twenty-three".