204232563 has 16 divisors (see below), whose sum is σ = 310745760. Its totient is φ = 132474528.

The previous prime is 204232547. The next prime is 204232579. The reversal of 204232563 is 365232402.

It is an interprime number because it is at equal distance from previous prime (204232547) and next prime (204232579).

It is not a de Polignac number, because 204232563 - 2⁴ = 204232547 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (204231563) 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, 101220 + ... + 103217.

It is an arithmetic number, because the mean of its divisors is an integer number (19421610).

Almost surely, 2^204232563 is an apocalyptic number.

204232563 is a deficient number, since it is larger than the sum of its proper divisors (106513197).

204232563 is a wasteful number, since it uses less digits than its factorization.

204232563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204483 (or 204477 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 204232563 is about 14290.9958715269. The cubic root of 204232563 is about 588.9001467028.

Adding to 204232563 its reverse (365232402), we get a palindrome (569464965).

The spelling of 204232563 in words is "two hundred four million, two hundred thirty-two thousand, five hundred sixty-three".