223031312203 has 16 divisors (see below), whose sum is σ = 255402385920. Its totient is φ = 190787889600.

The previous prime is 223031312197. The next prime is 223031312221. The reversal of 223031312203 is 302213130322.

It is a de Polignac number, because none of the positive numbers 2^k-223031312203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223031312503) 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, 10650183 + ... + 10671103.

It is an arithmetic number, because the mean of its divisors is an integer number (15962649120).

Almost surely, 2^223031312203 is an apocalyptic number.

223031312203 is a deficient number, since it is larger than the sum of its proper divisors (32371073717).

223031312203 is a wasteful number, since it uses less digits than its factorization.

223031312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23898.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 223031312203 its reverse (302213130322), we get a palindrome (525244442525).

The spelling of 223031312203 in words is "two hundred twenty-three billion, thirty-one million, three hundred twelve thousand, two hundred three".