431123643216223 has 2 divisors, whose sum is σ = 431123643216224. Its totient is φ = 431123643216222.

The previous prime is 431123643216199. The next prime is 431123643216257. The reversal of 431123643216223 is 322612346321134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431123643216223 - 2¹⁷ = 431123643085151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431123643216223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431123643213223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215561821608111 + 215561821608112.

It is an arithmetic number, because the mean of its divisors is an integer number (215561821608112).

Almost surely, 2^{431123643216223} is an apocalyptic number.

431123643216223 is a deficient number, since it is larger than the sum of its proper divisors (1).

431123643216223 is an equidigital number, since it uses as much as digits as its factorization.

431123643216223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 43.

Adding to 431123643216223 its reverse (322612346321134), we get a palindrome (753735989537357).

The spelling of 431123643216223 in words is "four hundred thirty-one trillion, one hundred twenty-three billion, six hundred forty-three million, two hundred sixteen thousand, two hundred twenty-three".