323135322403 has 4 divisors (see below), whose sum is σ = 323140770568. Its totient is φ = 323129874240.

The previous prime is 323135322383. The next prime is 323135322439. The reversal of 323135322403 is 304223531323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323135322403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323135322443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634126 + ... + 2754067.

It is an arithmetic number, because the mean of its divisors is an integer number (80785192642).

Almost surely, 2^323135322403 is an apocalyptic number.

323135322403 is a deficient number, since it is larger than the sum of its proper divisors (5448165).

323135322403 is an equidigital number, since it uses as much as digits as its factorization.

323135322403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448164.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 323135322403 its reverse (304223531323), we get a palindrome (627358853726).

The spelling of 323135322403 in words is "three hundred twenty-three billion, one hundred thirty-five million, three hundred twenty-two thousand, four hundred three".