105125043023 has 64 divisors (see below), whose sum is σ = 145189524480. Its totient is φ = 73455206400.

The previous prime is 105125043011. The next prime is 105125043029. The reversal of 105125043023 is 320340521501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105125043023 - 2²⁸ = 104856607567 is a prime.

It is a super-2 number, since 2×105125043023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105125042983 and 105125043001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105125043029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28479608 + ... + 28483298.

It is an arithmetic number, because the mean of its divisors is an integer number (2268586320).

Almost surely, 2^105125043023 is an apocalyptic number.

105125043023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105125043023 is a deficient number, since it is larger than the sum of its proper divisors (40064481457).

105125043023 is a wasteful number, since it uses less digits than its factorization.

105125043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 105125043023 its reverse (320340521501), we get a palindrome (425465564524).

The spelling of 105125043023 in words is "one hundred five billion, one hundred twenty-five million, forty-three thousand, twenty-three".