312623030405 has 24 divisors (see below), whose sum is σ = 441654044832. Its totient is φ = 211787292192.

The previous prime is 312623030329. The next prime is 312623030417. The reversal of 312623030405 is 504030326213.

It is not a de Polignac number, because 312623030405 - 2¹⁴ = 312623014021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7666487 + ... + 7707156.

It is an arithmetic number, because the mean of its divisors is an integer number (18402251868).

Almost surely, 2^312623030405 is an apocalyptic number.

312623030405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

312623030405 is a deficient number, since it is larger than the sum of its proper divisors (129031014427).

312623030405 is a wasteful number, since it uses less digits than its factorization.

312623030405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15373745 (or 15373738 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 312623030405 its reverse (504030326213), we get a palindrome (816653356618).

The spelling of 312623030405 in words is "three hundred twelve billion, six hundred twenty-three million, thirty thousand, four hundred five".