432402021423 has 12 divisors (see below), whose sum is σ = 637869649248. Its totient is φ = 282134652000.

The previous prime is 432402021367. The next prime is 432402021437. The reversal of 432402021423 is 324120204234.

432402021423 is a `hidden beast` number, since 4 + 32 + 4 + 0 + 202 + 1 + 423 = 666.

It is not a de Polignac number, because 432402021423 - 2³² = 428107054127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432402021463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511113078 + ... + 511113923.

It is an arithmetic number, because the mean of its divisors is an integer number (53155804104).

Almost surely, 2^432402021423 is an apocalyptic number.

432402021423 is a deficient number, since it is larger than the sum of its proper divisors (205467627825).

432402021423 is a wasteful number, since it uses less digits than its factorization.

432402021423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022227054 (or 1022227051 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 432402021423 its reverse (324120204234), we get a palindrome (756522225657).

The spelling of 432402021423 in words is "four hundred thirty-two billion, four hundred two million, twenty-one thousand, four hundred twenty-three".