403323313 has 4 divisors (see below), whose sum is σ = 403409728. Its totient is φ = 403236900.

The previous prime is 403323307. The next prime is 403323367. The reversal of 403323313 is 313323304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 403323313 - 2¹⁷ = 403192241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403321313) 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, 35781 + ... + 45682.

It is an arithmetic number, because the mean of its divisors is an integer number (100852432).

Almost surely, 2^403323313 is an apocalyptic number.

It is an amenable number.

403323313 is a deficient number, since it is larger than the sum of its proper divisors (86415).

403323313 is an equidigital number, since it uses as much as digits as its factorization.

403323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86414.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 403323313 is about 20082.9109692793. The cubic root of 403323313 is about 738.8412061926.

Adding to 403323313 its reverse (313323304), we get a palindrome (716646617).

Subtracting from 403323313 its reverse (313323304), we obtain a palindrome (90000009).

The spelling of 403323313 in words is "four hundred three million, three hundred twenty-three thousand, three hundred thirteen".