323312100120 has 96 divisors (see below), whose sum is σ = 1051782732000. Its totient is φ = 86132998656.

The previous prime is 323312100119. The next prime is 323312100217. The reversal of 323312100120 is 21001213323.

323312100120 is a `hidden beast` number, since 3 + 2 + 331 + 210 + 0 + 120 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 323312100093 and 323312100102.

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, 62820 + ... + 806579.

It is an arithmetic number, because the mean of its divisors is an integer number (10956070125).

Almost surely, 2^323312100120 is an apocalyptic number.

323312100120 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 323312100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525891366000).

323312100120 is an abundant number, since it is smaller than the sum of its proper divisors (728470631880).

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

323312100120 is a wasteful number, since it uses less digits than its factorization.

323312100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870449 (or 870442 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 323312100120 its reverse (21001213323), we get a palindrome (344313313443).

The spelling of 323312100120 in words is "three hundred twenty-three billion, three hundred twelve million, one hundred thousand, one hundred twenty".