432431123 has 2 divisors, whose sum is σ = 432431124. Its totient is φ = 432431122.

The previous prime is 432431117. The next prime is 432431137. The reversal of 432431123 is 321134234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 432431123 - 2⁴ = 432431107 is a prime.

It is a super-2 number, since 2×432431123² = 373993352278082258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (432431143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216215561 + 216215562.

It is an arithmetic number, because the mean of its divisors is an integer number (216215562).

Almost surely, 2^432431123 is an apocalyptic number.

432431123 is a deficient number, since it is larger than the sum of its proper divisors (1).

432431123 is an equidigital number, since it uses as much as digits as its factorization.

432431123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 432431123 is about 20794.9783120829. The cubic root of 432431123 is about 756.2040189879.

Adding to 432431123 its reverse (321134234), we get a palindrome (753565357).

The spelling of 432431123 in words is "four hundred thirty-two million, four hundred thirty-one thousand, one hundred twenty-three".