106905523 has 4 divisors (see below), whose sum is σ = 107523648. Its totient is φ = 106287400.

The previous prime is 106905521. The next prime is 106905527. The reversal of 106905523 is 325509601.

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 106905523 - 2¹ = 106905521 is a prime.

It is a super-2 number, since 2×106905523² = 22857581695807058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106905521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308803 + ... + 309148.

It is an arithmetic number, because the mean of its divisors is an integer number (26880912).

Almost surely, 2^106905523 is an apocalyptic number.

106905523 is a deficient number, since it is larger than the sum of its proper divisors (618125).

106905523 is an equidigital number, since it uses as much as digits as its factorization.

106905523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618124.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 106905523 is about 10339.5127061192. The cubic root of 106905523 is about 474.6061710683.

The spelling of 106905523 in words is "one hundred six million, nine hundred five thousand, five hundred twenty-three".