323213111100 has 216 divisors, whose sum is σ = 1115336061840. Its totient is φ = 77635584000.

The previous prime is 323213111047. The next prime is 323213111171. The reversal of 323213111100 is 1111312323.

323213111100 is a `hidden beast` number, since 32 + 321 + 311 + 1 + 1 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 929340 + ... + 1228860.

Almost surely, 2^323213111100 is an apocalyptic number.

323213111100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323213111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557668030920).

323213111100 is an abundant number, since it is smaller than the sum of its proper divisors (792122950740).

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

323213111100 is a wasteful number, since it uses less digits than its factorization.

323213111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299661 (or 299651 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 323213111100 its reverse (1111312323), we get a palindrome (324324423423).

The spelling of 323213111100 in words is "three hundred twenty-three billion, two hundred thirteen million, one hundred eleven thousand, one hundred".