431221124223 has 20 divisors (see below), whose sum is σ = 661579827480. Its totient is φ = 279710997552.

The previous prime is 431221124207. The next prime is 431221124233. The reversal of 431221124223 is 322421122134.

431221124223 is a `hidden beast` number, since 4 + 3 + 1 + 221 + 12 + 422 + 3 = 666.

431221124223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 431221124223 - 2⁴ = 431221124207 is a prime.

It is a super-2 number, since 2×431221124223² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431221124203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71939133 + ... + 71945126.

It is an arithmetic number, because the mean of its divisors is an integer number (33078991374).

Almost surely, 2^431221124223 is an apocalyptic number.

431221124223 is a deficient number, since it is larger than the sum of its proper divisors (230358703257).

431221124223 is a wasteful number, since it uses less digits than its factorization.

431221124223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143884308 (or 143884299 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 431221124223 its reverse (322421122134), we get a palindrome (753642246357).

The spelling of 431221124223 in words is "four hundred thirty-one billion, two hundred twenty-one million, one hundred twenty-four thousand, two hundred twenty-three".