105268623 has 4 divisors (see below), whose sum is σ = 140358168. Its totient is φ = 70179080.

The previous prime is 105268621. The next prime is 105268627. The reversal of 105268623 is 326862501.

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

It is a cyclic number.

It is not a de Polignac number, because 105268623 - 2¹ = 105268621 is a prime.

It is a super-2 number, since 2×105268623² = 22162965976632258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105268621) 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 3 ways as a sum of consecutive naturals, for example, 17544768 + ... + 17544773.

It is an arithmetic number, because the mean of its divisors is an integer number (35089542).

Almost surely, 2^105268623 is an apocalyptic number.

105268623 is a deficient number, since it is larger than the sum of its proper divisors (35089545).

105268623 is an equidigital number, since it uses as much as digits as its factorization.

105268623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35089544.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 105268623 is about 10260.0498536800. The cubic root of 105268623 is about 472.1713669022.

The spelling of 105268623 in words is "one hundred five million, two hundred sixty-eight thousand, six hundred twenty-three".