105440222323 has 4 divisors (see below), whose sum is σ = 111642588360. Its totient is φ = 99237856288.

The previous prime is 105440222291. The next prime is 105440222347. The reversal of 105440222323 is 323222044501.

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 105440222323 - 2⁵ = 105440222291 is a prime.

It is a super-2 number, since 2×105440222323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105440222291 and 105440222300.

It is not an unprimeable number, because it can be changed into a prime (105440222383) 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, 3101182993 + ... + 3101183026.

It is an arithmetic number, because the mean of its divisors is an integer number (27910647090).

Almost surely, 2^105440222323 is an apocalyptic number.

105440222323 is a deficient number, since it is larger than the sum of its proper divisors (6202366037).

105440222323 is an equidigital number, since it uses as much as digits as its factorization.

105440222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202366036.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 105440222323 its reverse (323222044501), we get a palindrome (428662266824).

The spelling of 105440222323 in words is "one hundred five billion, four hundred forty million, two hundred twenty-two thousand, three hundred twenty-three".