323684315136 has 1040 divisors, whose sum is σ = 1214832503808. Its totient is φ = 83607552000.

The previous prime is 323684315081. The next prime is 323684315179. The reversal of 323684315136 is 631513486323.

It is a happy number.

323684315136 is a `hidden beast` number, since 3 + 23 + 6 + 84 + 31 + 513 + 6 = 666.

It is a super-2 number, since 2×323684315136² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323684315091 and 323684315100.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2143604661 + ... + 2143604811.

Almost surely, 2^323684315136 is an apocalyptic number.

323684315136 is a gapful number since it is divisible by the number (36) 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 323684315136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607416251904).

323684315136 is an abundant number, since it is smaller than the sum of its proper divisors (891148188672).

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

323684315136 is a wasteful number, since it uses less digits than its factorization.

323684315136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 247 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 323684315136 in words is "three hundred twenty-three billion, six hundred eighty-four million, three hundred fifteen thousand, one hundred thirty-six".