204105152130023 has 16 divisors (see below), whose sum is σ = 205171446886560. Its totient is φ = 203040992640000.

The previous prime is 204105152130017. The next prime is 204105152130071. The reversal of 204105152130023 is 320031251501402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204105152130023 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 (204105152130623) 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, 820824653 + ... + 821073273.

It is an arithmetic number, because the mean of its divisors is an integer number (12823215430410).

Almost surely, 2^{204105152130023} is an apocalyptic number.

204105152130023 is a deficient number, since it is larger than the sum of its proper divisors (1066294756537).

204105152130023 is a wasteful number, since it uses less digits than its factorization.

204105152130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252898.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 204105152130023 in words is "two hundred four trillion, one hundred five billion, one hundred fifty-two million, one hundred thirty thousand, twenty-three".