431105254354123 has 2 divisors, whose sum is σ = 431105254354124. Its totient is φ = 431105254354122.

The previous prime is 431105254354063. The next prime is 431105254354141. The reversal of 431105254354123 is 321453452501134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431105254354123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431105254354123.

It is not a weakly prime, because it can be changed into another prime (431105254334123) 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 as a sum of consecutive naturals, namely, 215552627177061 + 215552627177062.

It is an arithmetic number, because the mean of its divisors is an integer number (215552627177062).

Almost surely, 2^{431105254354123} is an apocalyptic number.

431105254354123 is a deficient number, since it is larger than the sum of its proper divisors (1).

431105254354123 is an equidigital number, since it uses as much as digits as its factorization.

431105254354123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 431105254354123 in words is "four hundred thirty-one trillion, one hundred five billion, two hundred fifty-four million, three hundred fifty-four thousand, one hundred twenty-three".