105125523 has 8 divisors (see below), whose sum is σ = 140319168. Its totient is φ = 70007784.

The previous prime is 105125521. The next prime is 105125533. The reversal of 105125523 is 325521501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105125523 - 2¹ = 105125521 is a prime.

It is a super-2 number, since 2×105125523² = 22102751172047058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105125493 and 105125502.

It is not an unprimeable number, because it can be changed into a prime (105125521) 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 7 ways as a sum of consecutive naturals, for example, 15661 + ... + 21342.

It is an arithmetic number, because the mean of its divisors is an integer number (17539896).

Almost surely, 2^105125523 is an apocalyptic number.

105125523 is a deficient number, since it is larger than the sum of its proper divisors (35193645).

105125523 is an equidigital number, since it uses as much as digits as its factorization.

105125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37953.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 105125523 is about 10253.0738317833. The cubic root of 105125523 is about 471.9573165342.

The spelling of 105125523 in words is "one hundred five million, one hundred twenty-five thousand, five hundred twenty-three".