109523268 has 36 divisors (see below), whose sum is σ = 277246060. Its totient is φ = 36455616.

The previous prime is 109523261. The next prime is 109523269. The reversal of 109523268 is 862325901.

109523268 is a `hidden beast` number, since 109 + 523 + 26 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41757444 + 67765824 = 6462^2 + 8232^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (109523261) 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 11 ways as a sum of consecutive naturals, for example, 29838 + ... + 33306.

Almost surely, 2^109523268 is an apocalyptic number.

109523268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109523268 is an abundant number, since it is smaller than the sum of its proper divisors (167722792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109523268 is a wasteful number, since it uses less digits than its factorization.

109523268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356 (or 4351 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 109523268 is about 10465.3364972179. The cubic root of 109523268 is about 478.4487944865.

The spelling of 109523268 in words is "one hundred nine million, five hundred twenty-three thousand, two hundred sixty-eight".