679423131 has 12 divisors (see below), whose sum is σ = 981764160. Its totient is φ = 452775600.

The previous prime is 679423097. The next prime is 679423169. The reversal of 679423131 is 131324976.

It is not a de Polignac number, because 679423131 - 2¹⁴ = 679406747 is a prime.

It is a super-2 number, since 2×679423131² = 923231581875686322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679423231) 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 11 ways as a sum of consecutive naturals, for example, 13206 + ... + 39156.

It is an arithmetic number, because the mean of its divisors is an integer number (81813680).

Almost surely, 2^679423131 is an apocalyptic number.

679423131 is a deficient number, since it is larger than the sum of its proper divisors (302341029).

679423131 is a wasteful number, since it uses less digits than its factorization.

679423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28866 (or 28863 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 679423131 is about 26065.7463158069. The cubic root of 679423131 is about 879.1171979303.

The spelling of 679423131 in words is "six hundred seventy-nine million, four hundred twenty-three thousand, one hundred thirty-one".