432401023 has 2 divisors, whose sum is σ = 432401024. Its totient is φ = 432401022.

The previous prime is 432401009. The next prime is 432401041. The reversal of 432401023 is 320104234.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432401023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432401003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216200511 + 216200512.

It is an arithmetic number, because the mean of its divisors is an integer number (216200512).

Almost surely, 2^432401023 is an apocalyptic number.

432401023 is a deficient number, since it is larger than the sum of its proper divisors (1).

432401023 is an equidigital number, since it uses as much as digits as its factorization.

432401023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 432401023 is about 20794.2545670673. The cubic root of 432401023 is about 756.1864730190.

Adding to 432401023 its reverse (320104234), we get a palindrome (752505257).

The spelling of 432401023 in words is "four hundred thirty-two million, four hundred one thousand, twenty-three".