431123404212 has 72 divisors (see below), whose sum is σ = 1092628293120. Its totient is φ = 143333167680.

The previous prime is 431123404193. The next prime is 431123404213. The reversal of 431123404212 is 212404321134.

431123404212 is a `hidden beast` number, since 4 + 3 + 1 + 1 + 234 + 0 + 421 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431123404213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28018273 + ... + 28033655.

It is an arithmetic number, because the mean of its divisors is an integer number (15175392960).

Almost surely, 2^431123404212 is an apocalyptic number.

It is an amenable number.

431123404212 is an abundant number, since it is smaller than the sum of its proper divisors (661504888908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431123404212 is a wasteful number, since it uses less digits than its factorization.

431123404212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17373 (or 17368 counting only the distinct ones).

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

Adding to 431123404212 its reverse (212404321134), we get a palindrome (643527725346).

The spelling of 431123404212 in words is "four hundred thirty-one billion, one hundred twenty-three million, four hundred four thousand, two hundred twelve".