105450274731823 has 4 divisors (see below), whose sum is σ = 120514599693520. Its totient is φ = 90385949770128.

The previous prime is 105450274731821. The next prime is 105450274731859. The reversal of 105450274731823 is 328137472054501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105450274731823 - 2¹ = 105450274731821 is a prime.

It is a super-2 number, since 2×105450274731823² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105450274731821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7532162480838 + ... + 7532162480851.

It is an arithmetic number, because the mean of its divisors is an integer number (30128649923380).

Almost surely, 2^{105450274731823} is an apocalyptic number.

105450274731823 is a deficient number, since it is larger than the sum of its proper divisors (15064324961697).

105450274731823 is an equidigital number, since it uses as much as digits as its factorization.

105450274731823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15064324961696.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 105450274731823 in words is "one hundred five trillion, four hundred fifty billion, two hundred seventy-four million, seven hundred thirty-one thousand, eight hundred twenty-three".