403315023 has 4 divisors (see below), whose sum is σ = 537753368. Its totient is φ = 268876680.

The previous prime is 403315019. The next prime is 403315049. The reversal of 403315023 is 320513304.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 403315023 - 2² = 403315019 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 (403315013) 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, 67219168 + ... + 67219173.

It is an arithmetic number, because the mean of its divisors is an integer number (134438342).

Almost surely, 2^403315023 is an apocalyptic number.

403315023 is a deficient number, since it is larger than the sum of its proper divisors (134438345).

403315023 is a wasteful number, since it uses less digits than its factorization.

403315023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134438344.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 403315023 is about 20082.7045738367. The cubic root of 403315023 is about 738.8361440540.

Adding to 403315023 its reverse (320513304), we get a palindrome (723828327).

It can be divided in two parts, 40331 and 5023, that added together give a palindrome (45354).

The spelling of 403315023 in words is "four hundred three million, three hundred fifteen thousand, twenty-three".