15323964100 has 27 divisors (see below), whose sum is σ = 33255688557. Its totient is φ = 6129090480.

The previous prime is 15323964077. The next prime is 15323964127. The reversal of 15323964100 is 146932351.

The square root of 15323964100 is 123790.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5516627076 + 9807337024 = 74274^2 + 99032^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1231711 + ... + 1244089.

Almost surely, 2^15323964100 is an apocalyptic number.

15323964100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15323964100 is the 123790-th square number.

It is an amenable number.

15323964100 is an abundant number, since it is smaller than the sum of its proper divisors (17931724457).

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

15323964100 is an frugal number, since it uses more digits than its factorization.

15323964100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24772 (or 12386 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 15323964100 in words is "fifteen billion, three hundred twenty-three million, nine hundred sixty-four thousand, one hundred".