323323513 has 6 divisors (see below), whose sum is σ = 341236554. Its totient is φ = 306306144.

The previous prime is 323323477. The next prime is 323323531. The reversal of 323323513 is 315323323.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 212926464 + 110397049 = 14592^2 + 10507^2 .

It is not a de Polignac number, because 323323513 - 2²¹ = 321226361 is a prime.

It is a super-2 number, since 2×323323513² = 209076188117322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323323543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447456 + ... + 448177.

It is an arithmetic number, because the mean of its divisors is an integer number (56872759).

Almost surely, 2^323323513 is an apocalyptic number.

It is an amenable number.

323323513 is a deficient number, since it is larger than the sum of its proper divisors (17913041).

323323513 is an equidigital number, since it uses as much as digits as its factorization.

323323513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895671 (or 895652 counting only the distinct ones).

The product of its digits is 4860, while the sum is 25.

The square root of 323323513 is about 17981.1988754921. The cubic root of 323323513 is about 686.3501974571.

Adding to 323323513 its reverse (315323323), we get a palindrome (638646836).

The spelling of 323323513 in words is "three hundred twenty-three million, three hundred twenty-three thousand, five hundred thirteen".