105013023 has 8 divisors (see below), whose sum is σ = 140069808. Its totient is φ = 69982464.

The previous prime is 105012991. The next prime is 105013039. The reversal of 105013023 is 320310501.

It is a happy number.

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

It is not a de Polignac number, because 105013023 - 2⁵ = 105012991 is a prime.

It is a super-2 number, since 2×105013023² = 22055469999197058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105012993 and 105013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105014023) 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, 6511 + ... + 15887.

It is an arithmetic number, because the mean of its divisors is an integer number (17508726).

Almost surely, 2^105013023 is an apocalyptic number.

105013023 is a deficient number, since it is larger than the sum of its proper divisors (35056785).

105013023 is an equidigital number, since it uses as much as digits as its factorization.

105013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 105013023 is about 10247.5862035896. The cubic root of 105013023 is about 471.7889015202.

Adding to 105013023 its reverse (320310501), we get a palindrome (425323524).

The spelling of 105013023 in words is "one hundred five million, thirteen thousand, twenty-three".