315223440403 has 8 divisors (see below), whose sum is σ = 328252776480. Its totient is φ = 302338075200.

The previous prime is 315223440341. The next prime is 315223440451. The reversal of 315223440403 is 304044322513.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 315223440403 - 2³⁷ = 177784486931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315223440503) 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, 35988250 + ... + 35997007.

It is an arithmetic number, because the mean of its divisors is an integer number (41031597060).

Almost surely, 2^315223440403 is an apocalyptic number.

315223440403 is a deficient number, since it is larger than the sum of its proper divisors (13029336077).

315223440403 is a wasteful number, since it uses less digits than its factorization.

315223440403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71985437.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 315223440403 its reverse (304044322513), we get a palindrome (619267762916).

The spelling of 315223440403 in words is "three hundred fifteen billion, two hundred twenty-three million, four hundred forty thousand, four hundred three".