204223030403 has 16 divisors (see below), whose sum is σ = 238234180800. Its totient is φ = 174994501248.

The previous prime is 204223030379. The next prime is 204223030409. The reversal of 204223030403 is 304030322402.

It is not a de Polignac number, because 204223030403 - 2¹⁰ = 204223029379 is a prime.

It is a super-2 number, since 2×204223030403² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204223030409) 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, 1046501 + ... + 1226217.

It is an arithmetic number, because the mean of its divisors is an integer number (14889636300).

Almost surely, 2^204223030403 is an apocalyptic number.

204223030403 is a deficient number, since it is larger than the sum of its proper divisors (34011150397).

204223030403 is an equidigital number, since it uses as much as digits as its factorization.

204223030403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183051 (or 183037 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 204223030403 its reverse (304030322402), we get a palindrome (508253352805).

The spelling of 204223030403 in words is "two hundred four billion, two hundred twenty-three million, thirty thousand, four hundred three".