403323 has 8 divisors (see below), whose sum is σ = 541008. Its totient is φ = 267264.

The previous prime is 403309. The next prime is 403327. The reversal of 403323 is 323304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 403323 - 2¹⁰ = 402299 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (403327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (67626).

2⁴⁰³³²³ is an apocalyptic number.

403323 is a deficient number, since it is larger than the sum of its proper divisors (137685).

403323 is a wasteful number, since it uses less digits than its factorization.

403323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 403323 is about 635.0771606663. The cubic root of 403323 is about 73.8841015066.

Adding to 403323 its reverse (323304), we get a palindrome (726627).

The spelling of 403323 in words is "four hundred three thousand, three hundred twenty-three", and thus it is an iban number.