323223120402 has 128 divisors (see below), whose sum is σ = 799166699520. Its totient is φ = 84867264000.

The previous prime is 323223120397. The next prime is 323223120421. The reversal of 323223120402 is 204021322323.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143589777 + ... + 143592027.

It is an arithmetic number, because the mean of its divisors is an integer number (6243489840).

Almost surely, 2^323223120402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323223120402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399583349760).

323223120402 is an abundant number, since it is smaller than the sum of its proper divisors (475943579118).

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

323223120402 is a wasteful number, since it uses less digits than its factorization.

323223120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 323223120402 its reverse (204021322323), we get a palindrome (527244442725).

The spelling of 323223120402 in words is "three hundred twenty-three billion, two hundred twenty-three million, one hundred twenty thousand, four hundred two".