323011311320 has 64 divisors (see below), whose sum is σ = 776089555200. Its totient is φ = 120725015040.

The previous prime is 323011311257. The next prime is 323011311367. The reversal of 323011311320 is 23113110323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323011311292 and 323011311301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4455299 + ... + 4527218.

It is an arithmetic number, because the mean of its divisors is an integer number (12126399300).

Almost surely, 2^323011311320 is an apocalyptic number.

It is an amenable number.

323011311320 is an abundant number, since it is smaller than the sum of its proper divisors (453078243880).

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

323011311320 is a wasteful number, since it uses less digits than its factorization.

323011311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982588 (or 8982584 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 323011311320 its reverse (23113110323), we get a palindrome (346124421643).

The spelling of 323011311320 in words is "three hundred twenty-three billion, eleven million, three hundred eleven thousand, three hundred twenty".