323220331988 has 12 divisors (see below), whose sum is σ = 565801626432. Its totient is φ = 161562724440.

The previous prime is 323220331979. The next prime is 323220331997. The reversal of 323220331988 is 889133022323.

It is an interprime number because it is at equal distance from previous prime (323220331979) and next prime (323220331997).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11845058 + ... + 11872313.

It is an arithmetic number, because the mean of its divisors is an integer number (47150135536).

Almost surely, 2^323220331988 is an apocalyptic number.

It is an amenable number.

323220331988 is a deficient number, since it is larger than the sum of its proper divisors (242581294444).

323220331988 is a wasteful number, since it uses less digits than its factorization.

323220331988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23720782 (or 23720780 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 323220331988 in words is "three hundred twenty-three billion, two hundred twenty million, three hundred thirty-one thousand, nine hundred eighty-eight".