105344423 has 2 divisors, whose sum is σ = 105344424. Its totient is φ = 105344422.

The previous prime is 105344411. The next prime is 105344471. The reversal of 105344423 is 324443501.

It is a weak prime.

It is an emirp because it is prime and its reverse (324443501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105344423 is a prime.

It is a super-2 number, since 2×105344423² = 22194894914405858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 105344392 and 105344401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105344123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52672211 + 52672212.

It is an arithmetic number, because the mean of its divisors is an integer number (52672212).

Almost surely, 2^105344423 is an apocalyptic number.

105344423 is a deficient number, since it is larger than the sum of its proper divisors (1).

105344423 is an equidigital number, since it uses as much as digits as its factorization.

105344423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 105344423 is about 10263.7431281185. The cubic root of 105344423 is about 472.2846706944.

Adding to 105344423 its reverse (324443501), we get a palindrome (429787924).

The spelling of 105344423 in words is "one hundred five million, three hundred forty-four thousand, four hundred twenty-three".