105221332252423 has 2 divisors, whose sum is σ = 105221332252424. Its totient is φ = 105221332252422.

The previous prime is 105221332252369. The next prime is 105221332252493. The reversal of 105221332252423 is 324252233122501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105221332252423 - 2⁴⁵ = 70036960163591 is a prime.

It is a super-2 number, since 2×105221332252423² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105221332252493) 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, 52610666126211 + 52610666126212.

It is an arithmetic number, because the mean of its divisors is an integer number (52610666126212).

Almost surely, 2^{105221332252423} is an apocalyptic number.

105221332252423 is a deficient number, since it is larger than the sum of its proper divisors (1).

105221332252423 is an equidigital number, since it uses as much as digits as its factorization.

105221332252423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 105221332252423 its reverse (324252233122501), we get a palindrome (429473565374924).

The spelling of 105221332252423 in words is "one hundred five trillion, two hundred twenty-one billion, three hundred thirty-two million, two hundred fifty-two thousand, four hundred twenty-three".