109233691 has 12 divisors (see below), whose sum is σ = 131451120. Its totient is φ = 90399120.

The previous prime is 109233673. The next prime is 109233697. The reversal of 109233691 is 196332901.

It is not a de Polignac number, because 109233691 - 2⁵ = 109233659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109233697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37015 + ... + 39856.

It is an arithmetic number, because the mean of its divisors is an integer number (10954260).

Almost surely, 2^109233691 is an apocalyptic number.

109233691 is a deficient number, since it is larger than the sum of its proper divisors (22217429).

109233691 is an equidigital number, since it uses as much as digits as its factorization.

109233691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76914 (or 76907 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 109233691 is about 10451.4922857935. The cubic root of 109233691 is about 478.0267531113.

The spelling of 109233691 in words is "one hundred nine million, two hundred thirty-three thousand, six hundred ninety-one".