105134442223 has 4 divisors (see below), whose sum is σ = 105137409160. Its totient is φ = 105131475288.

The previous prime is 105134442211. The next prime is 105134442229. The reversal of 105134442223 is 322244431501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322244431501 = 23537 ⋅13690973.

It is a cyclic number.

It is not a de Polignac number, because 105134442223 - 2⁵ = 105134442191 is a prime.

It is a super-2 number, since 2×105134442223² (a number of 23 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 (105134442229) 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, 1429665 + ... + 1501402.

It is an arithmetic number, because the mean of its divisors is an integer number (26284352290).

Almost surely, 2^105134442223 is an apocalyptic number.

105134442223 is a deficient number, since it is larger than the sum of its proper divisors (2966937).

105134442223 is an equidigital number, since it uses as much as digits as its factorization.

105134442223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966936.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 105134442223 its reverse (322244431501), we get a palindrome (427378873724).

The spelling of 105134442223 in words is "one hundred five billion, one hundred thirty-four million, four hundred forty-two thousand, two hundred twenty-three".