315203222023 has 4 divisors (see below), whose sum is σ = 319000851288. Its totient is φ = 311405592760.

The previous prime is 315203222003. The next prime is 315203222053. The reversal of 315203222023 is 320222302513.

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

It is a cyclic number.

It is not a de Polignac number, because 315203222023 - 2²¹ = 315201124871 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 (315203222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898814508 + ... + 1898814673.

It is an arithmetic number, because the mean of its divisors is an integer number (79750212822).

Almost surely, 2^315203222023 is an apocalyptic number.

315203222023 is a deficient number, since it is larger than the sum of its proper divisors (3797629265).

315203222023 is an equidigital number, since it uses as much as digits as its factorization.

315203222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797629264.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 315203222023 its reverse (320222302513), we get a palindrome (635425524536).

The spelling of 315203222023 in words is "three hundred fifteen billion, two hundred three million, two hundred twenty-two thousand, twenty-three".