1323172332080 has 40 divisors (see below), whose sum is σ = 3078319349952. Its totient is φ = 528934536704.

The previous prime is 1323172332011. The next prime is 1323172332151. The reversal of 1323172332080 is 802332713231.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1323172332080.

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, 5097509 + ... + 5350788.

Almost surely, 2^{1323172332080} is an apocalyptic number.

1323172332080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323172332080 is an abundant number, since it is smaller than the sum of its proper divisors (1755147017872).

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

1323172332080 is a wasteful number, since it uses less digits than its factorization.

1323172332080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10449893 (or 10449887 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 1323172332080 in words is "one trillion, three hundred twenty-three billion, one hundred seventy-two million, three hundred thirty-two thousand, eighty".