323311443402 has 64 divisors (see below), whose sum is σ = 686088069120. Its totient is φ = 101286085824.

The previous prime is 323311443353. The next prime is 323311443409. The reversal of 323311443402 is 204344113323.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 323311443402.

It is not an unprimeable number, because it can be changed into a prime (323311443409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9113583 + ... + 9148989.

It is an arithmetic number, because the mean of its divisors is an integer number (10720126080).

Almost surely, 2^323311443402 is an apocalyptic number.

323311443402 is an abundant number, since it is smaller than the sum of its proper divisors (362776625718).

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

323311443402 is a wasteful number, since it uses less digits than its factorization.

323311443402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36067.

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

Adding to 323311443402 its reverse (204344113323), we get a palindrome (527655556725).

The spelling of 323311443402 in words is "three hundred twenty-three billion, three hundred eleven million, four hundred forty-three thousand, four hundred two".