204423231442130 has 16 divisors (see below), whose sum is σ = 370647669274200. Its totient is φ = 81172436426112.

The previous prime is 204423231442063. The next prime is 204423231442151. The reversal of 204423231442130 is 31244132324402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107245886809681 + 97177344632449 = 10355959^2 + 9857857^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74607017405 + ... + 74607020144.

Almost surely, 2^{204423231442130} is an apocalyptic number.

204423231442130 is a deficient number, since it is larger than the sum of its proper divisors (166224437832070).

204423231442130 is a wasteful number, since it uses less digits than its factorization.

204423231442130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149214037693.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 204423231442130 its reverse (31244132324402), we get a palindrome (235667363766532).

The spelling of 204423231442130 in words is "two hundred four trillion, four hundred twenty-three billion, two hundred thirty-one million, four hundred forty-two thousand, one hundred thirty".