323420311 has 4 divisors (see below), whose sum is σ = 323496400. Its totient is φ = 323344224.

The previous prime is 323420269. The next prime is 323420333. The reversal of 323420311 is 113024323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113024323 = 23 ⋅4914101.

It is a cyclic number.

It is not a de Polignac number, because 323420311 - 2⁷ = 323420183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323420371) 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, 31266 + ... + 40303.

It is an arithmetic number, because the mean of its divisors is an integer number (80874100).

Almost surely, 2^323420311 is an apocalyptic number.

323420311 is a deficient number, since it is larger than the sum of its proper divisors (76089).

323420311 is an equidigital number, since it uses as much as digits as its factorization.

323420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76088.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 323420311 is about 17983.8903188381. The cubic root of 323420311 is about 686.4186847922.

Adding to 323420311 its reverse (113024323), we get a palindrome (436444634).

The spelling of 323420311 in words is "three hundred twenty-three million, four hundred twenty thousand, three hundred eleven".