323431452553550 has 48 divisors (see below), whose sum is σ = 656650513208592. Its totient is φ = 117543571142400.

The previous prime is 323431452553543. The next prime is 323431452553597. The reversal of 323431452553550 is 55355254134323.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168711359 + ... + 170617658.

It is an arithmetic number, because the mean of its divisors is an integer number (13680219025179).

Almost surely, 2^{323431452553550} is an apocalyptic number.

323431452553550 is an abundant number, since it is smaller than the sum of its proper divisors (333219060655042).

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

323431452553550 is a wasteful number, since it uses less digits than its factorization.

323431452553550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339330773 (or 339330768 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 50.

The spelling of 323431452553550 in words is "three hundred twenty-three trillion, four hundred thirty-one billion, four hundred fifty-two million, five hundred fifty-three thousand, five hundred fifty".