15423604320 has 48 divisors (see below), whose sum is σ = 48584355120. Its totient is φ = 4112961024.

The previous prime is 15423604291. The next prime is 15423604333. The reversal of 15423604320 is 2340632451.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16065775 + ... + 16066734.

It is an arithmetic number, because the mean of its divisors is an integer number (1012174065).

Almost surely, 2^15423604320 is an apocalyptic number.

15423604320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15423604320 is an abundant number, since it is smaller than the sum of its proper divisors (33160750800).

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

15423604320 is a wasteful number, since it uses less digits than its factorization.

15423604320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32132527 (or 32132519 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 15423604320 in words is "fifteen billion, four hundred twenty-three million, six hundred four thousand, three hundred twenty".