432021405123423 has 16 divisors (see below), whose sum is σ = 641930915198560. Its totient is φ = 287159628325248.

The previous prime is 432021405123377. The next prime is 432021405123461. The reversal of 432021405123423 is 324321504120234.

432021405123423 is a `hidden beast` number, since 4 + 3 + 2 + 0 + 214 + 0 + 5 + 12 + 3 + 423 = 666.

It is not a de Polignac number, because 432021405123423 - 2⁶ = 432021405123359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432021401123423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23740039540 + ... + 23740057737.

It is an arithmetic number, because the mean of its divisors is an integer number (40120682199910).

Almost surely, 2^{432021405123423} is an apocalyptic number.

432021405123423 is a deficient number, since it is larger than the sum of its proper divisors (209909510075137).

432021405123423 is a wasteful number, since it uses less digits than its factorization.

432021405123423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47480097623 (or 47480097617 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 432021405123423 its reverse (324321504120234), we get a palindrome (756342909243657).

The spelling of 432021405123423 in words is "four hundred thirty-two trillion, twenty-one billion, four hundred five million, one hundred twenty-three thousand, four hundred twenty-three".