105123235 has 16 divisors (see below), whose sum is σ = 145910016. Its totient is φ = 71214048.

The previous prime is 105123233. The next prime is 105123269. The reversal of 105123235 is 532321501.

It is a cyclic number.

It is not a de Polignac number, because 105123235 - 2¹ = 105123233 is a prime.

It is a super-2 number, since 2×105123235² = 22101789073730450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105123233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15189 + ... + 20998.

It is an arithmetic number, because the mean of its divisors is an integer number (9119376).

Almost surely, 2^105123235 is an apocalyptic number.

105123235 is a deficient number, since it is larger than the sum of its proper divisors (40786781).

105123235 is an equidigital number, since it uses as much as digits as its factorization.

105123235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36282.

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

The square root of 105123235 is about 10252.9622548803. The cubic root of 105123235 is about 471.9538925444.

Adding to 105123235 its reverse (532321501), we get a palindrome (637444736).

The spelling of 105123235 in words is "one hundred five million, one hundred twenty-three thousand, two hundred thirty-five".