204234111 has 6 divisors (see below), whose sum is σ = 295004840. Its totient is φ = 136156068.

The previous prime is 204234077. The next prime is 204234113. The reversal of 204234111 is 111432402.

It is not a de Polignac number, because 204234111 - 2¹³ = 204225919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204234113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11346331 + ... + 11346348.

Almost surely, 2^204234111 is an apocalyptic number.

204234111 is a deficient number, since it is larger than the sum of its proper divisors (90770729).

204234111 is a wasteful number, since it uses less digits than its factorization.

204234111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22692685 (or 22692682 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 204234111 is about 14291.0500314008. The cubic root of 204234111 is about 588.9016345738.

Adding to 204234111 its reverse (111432402), we get a palindrome (315666513).

The spelling of 204234111 in words is "two hundred four million, two hundred thirty-four thousand, one hundred eleven".