105344323231 has 16 divisors (see below), whose sum is σ = 121284083200. Its totient is φ = 89627469408.

The previous prime is 105344323219. The next prime is 105344323261. The reversal of 105344323231 is 132323443501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105344323231 - 2¹⁷ = 105344192159 is a prime.

It is a super-2 number, since 2×105344323231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105344323193 and 105344323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105344323261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7425661 + ... + 7439833.

It is an arithmetic number, because the mean of its divisors is an integer number (7580255200).

Almost surely, 2^105344323231 is an apocalyptic number.

105344323231 is a deficient number, since it is larger than the sum of its proper divisors (15939759969).

105344323231 is a wasteful number, since it uses less digits than its factorization.

105344323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21958.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 105344323231 its reverse (132323443501), we get a palindrome (237667766732).

The spelling of 105344323231 in words is "one hundred five billion, three hundred forty-four million, three hundred twenty-three thousand, two hundred thirty-one".