431432335221423 has 16 divisors (see below), whose sum is σ = 575537675778816. Its totient is φ = 287474280387840.

The previous prime is 431432335221413. The next prime is 431432335221451. The reversal of 431432335221423 is 324122533234134.

It is not a de Polignac number, because 431432335221423 - 2⁹ = 431432335220911 is a prime.

It is a super-2 number, since 2×431432335221423² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431432335221413) 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, 393439140 + ... + 394534182.

It is an arithmetic number, because the mean of its divisors is an integer number (35971104736176).

Almost surely, 2^{431432335221423} is an apocalyptic number.

431432335221423 is a deficient number, since it is larger than the sum of its proper divisors (144105340557393).

431432335221423 is a wasteful number, since it uses less digits than its factorization.

431432335221423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162174.

The product of its digits is 1244160, while the sum is 42.

Adding to 431432335221423 its reverse (324122533234134), we get a palindrome (755554868455557).

The spelling of 431432335221423 in words is "four hundred thirty-one trillion, four hundred thirty-two billion, three hundred thirty-five million, two hundred twenty-one thousand, four hundred twenty-three".