204243023000 has 64 divisors (see below), whose sum is σ = 480034620000. Its totient is φ = 81337219200.

The previous prime is 204243022987. The next prime is 204243023077. The reversal of 204243023000 is 320342402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222875 + ... + 676874.

Almost surely, 2^204243023000 is an apocalyptic number.

204243023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204243023000 is an abundant number, since it is smaller than the sum of its proper divisors (275791597000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204243023000 is a wasteful number, since it uses less digits than its factorization.

204243023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899997 (or 899983 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 204243023000 its reverse (320342402), we get a palindrome (204563365402).

The spelling of 204243023000 in words is "two hundred four billion, two hundred forty-three million, twenty-three thousand".