15323303996 has 144 divisors (see below), whose sum is σ = 38188577280. Its totient is φ = 5220547200.

The previous prime is 15323303951. The next prime is 15323304013. The reversal of 15323303996 is 69930332351.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827681 + ... + 845991.

Almost surely, 2^15323303996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15323303996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19094288640).

15323303996 is an abundant number, since it is smaller than the sum of its proper divisors (22865273284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15323303996 is a wasteful number, since it uses less digits than its factorization.

15323303996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18376 (or 18363 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 44.

The spelling of 15323303996 in words is "fifteen billion, three hundred twenty-three million, three hundred three thousand, nine hundred ninety-six".