204450025023 has 40 divisors (see below), whose sum is σ = 307124054688. Its totient is φ = 135538292736.

The previous prime is 204450024991. The next prime is 204450025081. The reversal of 204450025023 is 320520054402.

It is a happy number.

204450025023 is a `hidden beast` number, since 204 + 450 + 0 + 2 + 5 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 204450025023 - 2⁵ = 204450024991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204450025123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12283515 + ... + 12300147.

Almost surely, 2^204450025023 is an apocalyptic number.

204450025023 is a deficient number, since it is larger than the sum of its proper divisors (102674029665).

204450025023 is a wasteful number, since it uses less digits than its factorization.

204450025023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17485 (or 17476 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 204450025023 its reverse (320520054402), we get a palindrome (524970079425).

The spelling of 204450025023 in words is "two hundred four billion, four hundred fifty million, twenty-five thousand, twenty-three".