105342023 has 16 divisors (see below), whose sum is σ = 114011520. Its totient is φ = 97026336.

The previous prime is 105342011. The next prime is 105342031. The reversal of 105342023 is 320243501.

It is a happy number.

It is not a de Polignac number, because 105342023 - 2⁸ = 105341767 is a prime.

It is a super-2 number, since 2×105342023² = 22193883619465058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105341986 and 105342004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105342053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105161 + ... + 106157.

It is an arithmetic number, because the mean of its divisors is an integer number (7125720).

Almost surely, 2^105342023 is an apocalyptic number.

105342023 is a deficient number, since it is larger than the sum of its proper divisors (8669497).

105342023 is an equidigital number, since it uses as much as digits as its factorization.

105342023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 105342023 is about 10263.6262110426. The cubic root of 105342023 is about 472.2810840726.

Adding to 105342023 its reverse (320243501), we get a palindrome (425585524).

The spelling of 105342023 in words is "one hundred five million, three hundred forty-two thousand, twenty-three".