323120323122420 has 48 divisors (see below), whose sum is σ = 905189953102848. Its totient is φ = 86122272036480.

The previous prime is 323120323122299. The next prime is 323120323122433. The reversal of 323120323122420 is 24221323021323.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348237396 + ... + 1348477035.

It is an arithmetic number, because the mean of its divisors is an integer number (18858124022976).

Almost surely, 2^{323120323122420} is an apocalyptic number.

323120323122420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323120323122420 is an abundant number, since it is smaller than the sum of its proper divisors (582069629980428).

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

323120323122420 is a wasteful number, since it uses less digits than its factorization.

323120323122420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696716440 (or 2696716438 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 323120323122420 its reverse (24221323021323), we get a palindrome (347341646143743).

The spelling of 323120323122420 in words is "three hundred twenty-three trillion, one hundred twenty billion, three hundred twenty-three million, one hundred twenty-two thousand, four hundred twenty".