109378023 has 4 divisors (see below), whose sum is σ = 145837368. Its totient is φ = 72918680.

The previous prime is 109378007. The next prime is 109378033. The reversal of 109378023 is 320873901.

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 109378023 - 2⁴ = 109378007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109378033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18229668 + ... + 18229673.

It is an arithmetic number, because the mean of its divisors is an integer number (36459342).

Almost surely, 2^109378023 is an apocalyptic number.

109378023 is a deficient number, since it is larger than the sum of its proper divisors (36459345).

109378023 is an equidigital number, since it uses as much as digits as its factorization.

109378023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36459344.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 109378023 is about 10458.3948577208. The cubic root of 109378023 is about 478.2372015885.

The spelling of 109378023 in words is "one hundred nine million, three hundred seventy-eight thousand, twenty-three".