431123434245233 has 4 divisors (see below), whose sum is σ = 431126674227060. Its totient is φ = 431120194263408.

The previous prime is 431123434245223. The next prime is 431123434245253. The reversal of 431123434245233 is 332542434321134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206804158591969 + 224319275653264 = 14380687^2 + 14977292^2 .

It is a cyclic number.

It is not a de Polignac number, because 431123434245233 - 2²⁰ = 431123433196657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431123434245223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619791310 + ... + 1620057447.

It is an arithmetic number, because the mean of its divisors is an integer number (107781668556765).

Almost surely, 2^{431123434245233} is an apocalyptic number.

It is an amenable number.

431123434245233 is a deficient number, since it is larger than the sum of its proper divisors (3239981827).

431123434245233 is a wasteful number, since it uses less digits than its factorization.

431123434245233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239981826.

The product of its digits is 2488320, while the sum is 44.

Adding to 431123434245233 its reverse (332542434321134), we get a palindrome (763665868566367).

The spelling of 431123434245233 in words is "four hundred thirty-one trillion, one hundred twenty-three billion, four hundred thirty-four million, two hundred forty-five thousand, two hundred thirty-three".