203113402423 has 8 divisors (see below), whose sum is σ = 204454363680. Its totient is φ = 201773039520.

The previous prime is 203113402421. The next prime is 203113402483. The reversal of 203113402423 is 324204311302.

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 203113402423 - 2¹ = 203113402421 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 (203113402421) 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, 542073 + ... + 836701.

It is an arithmetic number, because the mean of its divisors is an integer number (25556795460).

Almost surely, 2^203113402423 is an apocalyptic number.

203113402423 is a deficient number, since it is larger than the sum of its proper divisors (1340961257).

203113402423 is a wasteful number, since it uses less digits than its factorization.

203113402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299177.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203113402423 its reverse (324204311302), we get a palindrome (527317713725).

The spelling of 203113402423 in words is "two hundred three billion, one hundred thirteen million, four hundred two thousand, four hundred twenty-three".