323520050872 has 8 divisors (see below), whose sum is σ = 606600095400. Its totient is φ = 161760025432.

The previous prime is 323520050869. The next prime is 323520050873. The reversal of 323520050872 is 278050025323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323520050873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20220003172 + ... + 20220003187.

It is an arithmetic number, because the mean of its divisors is an integer number (75825011925).

Almost surely, 2^323520050872 is an apocalyptic number.

It is an amenable number.

323520050872 is a deficient number, since it is larger than the sum of its proper divisors (283080044528).

323520050872 is a wasteful number, since it uses less digits than its factorization.

323520050872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440006365 (or 40440006361 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 323520050872 in words is "three hundred twenty-three billion, five hundred twenty million, fifty thousand, eight hundred seventy-two".