432001423 has 8 divisors (see below), whose sum is σ = 519701120. Its totient is φ = 350798040.

The previous prime is 432001421. The next prime is 432001439. The reversal of 432001423 is 324100234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 432001423 - 2¹ = 432001421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 432001423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432001421) 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 in 7 ways as a sum of consecutive naturals, for example, 1623933 + ... + 1624198.

It is an arithmetic number, because the mean of its divisors is an integer number (64962640).

Almost surely, 2^432001423 is an apocalyptic number.

432001423 is a deficient number, since it is larger than the sum of its proper divisors (87699697).

432001423 is a wasteful number, since it uses less digits than its factorization.

432001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248157.

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

The square root of 432001423 is about 20784.6439228580. The cubic root of 432001423 is about 755.9534599673.

Adding to 432001423 its reverse (324100234), we get a palindrome (756101657).

The spelling of 432001423 in words is "four hundred thirty-two million, one thousand, four hundred twenty-three".