432123203 has 2 divisors, whose sum is σ = 432123204. Its totient is φ = 432123202.

The previous prime is 432123191. The next prime is 432123227. The reversal of 432123203 is 302321234.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432123203 is a prime.

It is not a weakly prime, because it can be changed into another prime (432120203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216061601 + 216061602.

It is an arithmetic number, because the mean of its divisors is an integer number (216061602).

Almost surely, 2^432123203 is an apocalyptic number.

432123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

432123203 is an equidigital number, since it uses as much as digits as its factorization.

432123203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 432123203 is about 20787.5732830939. The cubic root of 432123203 is about 756.0244870198.

Adding to 432123203 its reverse (302321234), we get a palindrome (734444437).

The spelling of 432123203 in words is "four hundred thirty-two million, one hundred twenty-three thousand, two hundred three".