105522623 has 4 divisors (see below), whose sum is σ = 105605280. Its totient is φ = 105439968.

The previous prime is 105522589. The next prime is 105522653. The reversal of 105522623 is 326225501.

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 105522623 - 2¹⁴ = 105506239 is a prime.

It is a super-2 number, since 2×105522623² = 22270047929600258, 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 = 105522592 and 105522601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105522653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39383 + ... + 41976.

It is an arithmetic number, because the mean of its divisors is an integer number (26401320).

Almost surely, 2^105522623 is an apocalyptic number.

105522623 is a deficient number, since it is larger than the sum of its proper divisors (82657).

105522623 is an equidigital number, since it uses as much as digits as its factorization.

105522623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82656.

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

The square root of 105522623 is about 10272.4205034646. The cubic root of 105522623 is about 472.5508253232.

The spelling of 105522623 in words is "one hundred five million, five hundred twenty-two thousand, six hundred twenty-three".