323258390972 has 48 divisors (see below), whose sum is σ = 650455596000. Its totient is φ = 139192085760.

The previous prime is 323258390971. The next prime is 323258391011. The reversal of 323258390972 is 279093852323.

It is a super-2 number, since 2×323258390972² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323258390971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2322347 + ... + 2457602.

It is an arithmetic number, because the mean of its divisors is an integer number (13551158250).

Almost surely, 2^323258390972 is an apocalyptic number.

It is an amenable number.

323258390972 is an abundant number, since it is smaller than the sum of its proper divisors (327197205028).

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

323258390972 is a wasteful number, since it uses less digits than its factorization.

323258390972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780046 (or 4780044 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 323258390972 in words is "three hundred twenty-three billion, two hundred fifty-eight million, three hundred ninety thousand, nine hundred seventy-two".