323204655507028 has 24 divisors (see below), whose sum is σ = 585567926405280. Its totient is φ = 155908220344800.

The previous prime is 323204655506981. The next prime is 323204655507119. The reversal of 323204655507028 is 820705556402323.

It is a super-2 number, since 2×323204655507028² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 1085683998 + ... + 1085981653.

It is an arithmetic number, because the mean of its divisors is an integer number (24398663600220).

Almost surely, 2^{323204655507028} is an apocalyptic number.

It is an amenable number.

323204655507028 is a deficient number, since it is larger than the sum of its proper divisors (262363270898252).

323204655507028 is a wasteful number, since it uses less digits than its factorization.

323204655507028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171666967 (or 2171666965 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 323204655507028 in words is "three hundred twenty-three trillion, two hundred four billion, six hundred fifty-five million, five hundred seven thousand, twenty-eight".