220231123203 has 32 divisors (see below), whose sum is σ = 371172637696. Its totient is φ = 113026243968.

The previous prime is 220231123199. The next prime is 220231123237. The reversal of 220231123203 is 302321132022.

It is a happy number.

It is not a de Polignac number, because 220231123203 - 2² = 220231123199 is a prime.

It is a super-3 number, since 3×220231123203³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 220231123203.

It is not an unprimeable number, because it can be changed into a prime (220231123253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10891351 + ... + 10911552.

It is an arithmetic number, because the mean of its divisors is an integer number (11599144928).

Almost surely, 2^220231123203 is an apocalyptic number.

220231123203 is a deficient number, since it is larger than the sum of its proper divisors (150941514493).

220231123203 is a wasteful number, since it uses less digits than its factorization.

220231123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21802963.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220231123203 its reverse (302321132022), we get a palindrome (522552255225).

The spelling of 220231123203 in words is "two hundred twenty billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred three".