105272943623 has 2 divisors, whose sum is σ = 105272943624. Its totient is φ = 105272943622.

The previous prime is 105272943619. The next prime is 105272943631. The reversal of 105272943623 is 326349272501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105272943623 - 2² = 105272943619 is a prime.

It is a super-2 number, since 2×105272943623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105272843623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52636471811 + 52636471812.

It is an arithmetic number, because the mean of its divisors is an integer number (52636471812).

Almost surely, 2^105272943623 is an apocalyptic number.

105272943623 is a deficient number, since it is larger than the sum of its proper divisors (1).

105272943623 is an equidigital number, since it uses as much as digits as its factorization.

105272943623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 105272943623 in words is "one hundred five billion, two hundred seventy-two million, nine hundred forty-three thousand, six hundred twenty-three".