15316651423 has 4 divisors (see below), whose sum is σ = 15488748720. Its totient is φ = 15144554128.

The previous prime is 15316651421. The next prime is 15316651429. The reversal of 15316651423 is 32415661351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32415661351 = 59 ⋅549417989.

It is a cyclic number.

It is not a de Polignac number, because 15316651423 - 2¹ = 15316651421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15316651421) 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 3 ways as a sum of consecutive naturals, for example, 86048515 + ... + 86048692.

It is an arithmetic number, because the mean of its divisors is an integer number (3872187180).

Almost surely, 2^15316651423 is an apocalyptic number.

15316651423 is a deficient number, since it is larger than the sum of its proper divisors (172097297).

15316651423 is an equidigital number, since it uses as much as digits as its factorization.

15316651423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172097296.

The product of its digits is 64800, while the sum is 37.

The spelling of 15316651423 in words is "fifteen billion, three hundred sixteen million, six hundred fifty-one thousand, four hundred twenty-three".