402302403 has 16 divisors (see below), whose sum is σ = 598332960. Its totient is φ = 267153408.

The previous prime is 402302393. The next prime is 402302423. The reversal of 402302403 is 304203204.

It is not a de Polignac number, because 402302403 - 2⁴ = 402302387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402302423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22050 + ... + 35927.

It is an arithmetic number, because the mean of its divisors is an integer number (37395810).

Almost surely, 2^402302403 is an apocalyptic number.

402302403 is a deficient number, since it is larger than the sum of its proper divisors (196030557).

402302403 is a wasteful number, since it uses less digits than its factorization.

402302403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58243 (or 58237 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 402302403 is about 20057.4774834723. The cubic root of 402302403 is about 738.2172834990.

Adding to 402302403 its reverse (304203204), we get a palindrome (706505607).

The spelling of 402302403 in words is "four hundred two million, three hundred two thousand, four hundred three".