432321023 has 2 divisors, whose sum is σ = 432321024. Its totient is φ = 432321022.

The previous prime is 432321017. The next prime is 432321073. The reversal of 432321023 is 320123234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 432321023 - 2⁴ = 432321007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 432320986 and 432321004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432321073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216160511 + 216160512.

It is an arithmetic number, because the mean of its divisors is an integer number (216160512).

Almost surely, 2^432321023 is an apocalyptic number.

432321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

432321023 is an equidigital number, since it uses as much as digits as its factorization.

432321023 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 432321023 is about 20792.3308698183. The cubic root of 432321023 is about 756.1398352562.

Adding to 432321023 its reverse (320123234), we get a palindrome (752444257).

The spelling of 432321023 in words is "four hundred thirty-two million, three hundred twenty-one thousand, twenty-three".