105872023 has 4 divisors (see below), whose sum is σ = 106311568. Its totient is φ = 105432480.

The previous prime is 105872017. The next prime is 105872029. The reversal of 105872023 is 320278501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (105872017) and next prime (105872029).

It is a cyclic number.

It is not a de Polignac number, because 105872023 - 2⁹ = 105871511 is a prime.

It is a super-2 number, since 2×105872023² = 22417770508225058, 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 = 105871982 and 105872000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105872029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219411 + ... + 219892.

It is an arithmetic number, because the mean of its divisors is an integer number (26577892).

Almost surely, 2^105872023 is an apocalyptic number.

105872023 is a deficient number, since it is larger than the sum of its proper divisors (439545).

105872023 is an equidigital number, since it uses as much as digits as its factorization.

105872023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439544.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 105872023 is about 10289.4131513901. The cubic root of 105872023 is about 473.0718111079.

The spelling of 105872023 in words is "one hundred five million, eight hundred seventy-two thousand, twenty-three".