323021140130420 has 12 divisors (see below), whose sum is σ = 678344394273924. Its totient is φ = 129208456052160.

The previous prime is 323021140130407. The next prime is 323021140130461. The reversal of 323021140130420 is 24031041120323.

It can be written as a sum of positive squares in 2 ways, for example, as 110985255782116 + 212035884348304 = 10534954^2 + 14561452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 323021140130420.

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, 8075528503241 + ... + 8075528503280.

It is an arithmetic number, because the mean of its divisors is an integer number (56528699522827).

Almost surely, 2^{323021140130420} is an apocalyptic number.

It is an amenable number.

323021140130420 is an abundant number, since it is smaller than the sum of its proper divisors (355323254143504).

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

323021140130420 is a wasteful number, since it uses less digits than its factorization.

323021140130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151057006530 (or 16151057006528 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 323021140130420 its reverse (24031041120323), we get a palindrome (347052181250743).

The spelling of 323021140130420 in words is "three hundred twenty-three trillion, twenty-one billion, one hundred forty million, one hundred thirty thousand, four hundred twenty".