105123023 has 8 divisors (see below), whose sum is σ = 105883200. Its totient is φ = 104366080.

The previous prime is 105123017. The next prime is 105123037. The reversal of 105123023 is 320321501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105123023 - 2⁶ = 105122959 is a prime.

It is a super-2 number, since 2×105123023² = 22101699929317058, 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 = 105122992 and 105123010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105123323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114938 + ... + 115848.

It is an arithmetic number, because the mean of its divisors is an integer number (13235400).

Almost surely, 2^105123023 is an apocalyptic number.

105123023 is a deficient number, since it is larger than the sum of its proper divisors (760177).

105123023 is an equidigital number, since it uses as much as digits as its factorization.

105123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 105123023 is about 10252.9519163995. The cubic root of 105123023 is about 471.9535752841.

Adding to 105123023 its reverse (320321501), we get a palindrome (425444524).

The spelling of 105123023 in words is "one hundred five million, one hundred twenty-three thousand, twenty-three".