105115523 has 2 divisors, whose sum is σ = 105115524. Its totient is φ = 105115522.

The previous prime is 105115511. The next prime is 105115529. The reversal of 105115523 is 325511501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105115523 is a prime.

It is a super-2 number, since 2×105115523² = 22098546351127058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105115529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52557761 + 52557762.

It is an arithmetic number, because the mean of its divisors is an integer number (52557762).

Almost surely, 2^105115523 is an apocalyptic number.

105115523 is a deficient number, since it is larger than the sum of its proper divisors (1).

105115523 is an equidigital number, since it uses as much as digits as its factorization.

105115523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 105115523 is about 10252.5861615497. The cubic root of 105115523 is about 471.9423511776.

The spelling of 105115523 in words is "one hundred five million, one hundred fifteen thousand, five hundred twenty-three".