15313523203 has 6 divisors (see below), whose sum is σ = 16832219852. Its totient is φ = 13921384620.

The previous prime is 15313523201. The next prime is 15313523209. The reversal of 15313523203 is 30232531351.

It is not a de Polignac number, because 15313523203 - 2¹ = 15313523201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15313523201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63278901 + ... + 63279142.

Almost surely, 2^15313523203 is an apocalyptic number.

15313523203 is a deficient number, since it is larger than the sum of its proper divisors (1518696649).

15313523203 is a wasteful number, since it uses less digits than its factorization.

15313523203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126558065 (or 126558054 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The spelling of 15313523203 in words is "fifteen billion, three hundred thirteen million, five hundred twenty-three thousand, two hundred three".