19323113320 has 32 divisors (see below), whose sum is σ = 49688006400. Its totient is φ = 6625067328.

The previous prime is 19323113311. The next prime is 19323113323. The reversal of 19323113320 is 2331132391.

It is a super-2 number, since 2×19323113320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (19323113323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34505280 + ... + 34505839.

It is an arithmetic number, because the mean of its divisors is an integer number (1552750200).

Almost surely, 2^19323113320 is an apocalyptic number.

19323113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19323113320 is an abundant number, since it is smaller than the sum of its proper divisors (30364893080).

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

19323113320 is a wasteful number, since it uses less digits than its factorization.

19323113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69011137 (or 69011133 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 19323113320 in words is "nineteen billion, three hundred twenty-three million, one hundred thirteen thousand, three hundred twenty".