204234423211 has 32 divisors (see below), whose sum is σ = 265649932800. Its totient is φ = 152476992000.

The previous prime is 204234423103. The next prime is 204234423221. The reversal of 204234423211 is 112324432402.

It is a cyclic number.

It is not a de Polignac number, because 204234423211 - 2⁷ = 204234423083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204234423211.

It is not an unprimeable number, because it can be changed into a prime (204234423221) 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, 198675 + ... + 669283.

It is an arithmetic number, because the mean of its divisors is an integer number (8301560400).

Almost surely, 2^204234423211 is an apocalyptic number.

204234423211 is a deficient number, since it is larger than the sum of its proper divisors (61415509589).

204234423211 is a wasteful number, since it uses less digits than its factorization.

204234423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470899.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 204234423211 its reverse (112324432402), we get a palindrome (316558855613).

The spelling of 204234423211 in words is "two hundred four billion, two hundred thirty-four million, four hundred twenty-three thousand, two hundred eleven".