105605023 has 2 divisors, whose sum is σ = 105605024. Its totient is φ = 105605022.

The previous prime is 105605011. The next prime is 105605051. The reversal of 105605023 is 320506501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105605023 - 2¹³ = 105596831 is a prime.

It is a super-2 number, since 2×105605023² = 22304841765661058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105604985 and 105605003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105605923) 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 as a sum of consecutive naturals, namely, 52802511 + 52802512.

It is an arithmetic number, because the mean of its divisors is an integer number (52802512).

Almost surely, 2^105605023 is an apocalyptic number.

105605023 is a deficient number, since it is larger than the sum of its proper divisors (1).

105605023 is an equidigital number, since it uses as much as digits as its factorization.

105605023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 105605023 is about 10276.4304600382. The cubic root of 105605023 is about 472.6737943953.

The spelling of 105605023 in words is "one hundred five million, six hundred five thousand, twenty-three".