15312819423 has 16 divisors (see below), whose sum is σ = 22586902272. Its totient is φ = 9149784000.

The previous prime is 15312819341. The next prime is 15312819469. The reversal of 15312819423 is 32491821351.

It is not a de Polignac number, because 15312819423 - 2¹² = 15312815327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15312819493) 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 15 ways as a sum of consecutive naturals, for example, 3265438 + ... + 3270123.

It is an arithmetic number, because the mean of its divisors is an integer number (1411681392).

Almost surely, 2^15312819423 is an apocalyptic number.

15312819423 is a deficient number, since it is larger than the sum of its proper divisors (7274082849).

15312819423 is a wasteful number, since it uses less digits than its factorization.

15312819423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535646.

The product of its digits is 51840, while the sum is 39.

The spelling of 15312819423 in words is "fifteen billion, three hundred twelve million, eight hundred nineteen thousand, four hundred twenty-three".