105223403431 has 2 divisors, whose sum is σ = 105223403432. Its totient is φ = 105223403430.

The previous prime is 105223403419. The next prime is 105223403459. The reversal of 105223403431 is 134304322501.

It is a happy number.

It is an a-pointer prime, because the next prime (105223403459) can be obtained adding 105223403431 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (134304322501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105223403431 - 2²¹ = 105221306279 is a prime.

It is a super-3 number, since 3×105223403431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 105223403431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105223403401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52611701715 + 52611701716.

It is an arithmetic number, because the mean of its divisors is an integer number (52611701716).

Almost surely, 2^105223403431 is an apocalyptic number.

105223403431 is a deficient number, since it is larger than the sum of its proper divisors (1).

105223403431 is an equidigital number, since it uses as much as digits as its factorization.

105223403431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 105223403431 its reverse (134304322501), we get a palindrome (239527725932).

The spelling of 105223403431 in words is "one hundred five billion, two hundred twenty-three million, four hundred three thousand, four hundred thirty-one".