109923243 has 4 divisors (see below), whose sum is σ = 146564328. Its totient is φ = 73282160.

The previous prime is 109923239. The next prime is 109923257. The reversal of 109923243 is 342329901.

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 109923243 - 2² = 109923239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109923223) 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, 18320538 + ... + 18320543.

It is an arithmetic number, because the mean of its divisors is an integer number (36641082).

Almost surely, 2^109923243 is an apocalyptic number.

109923243 is a deficient number, since it is larger than the sum of its proper divisors (36641085).

109923243 is an equidigital number, since it uses as much as digits as its factorization.

109923243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36641084.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 109923243 is about 10484.4285967333. The cubic root of 109923243 is about 479.0305128001.

It can be divided in two parts, 1099 and 23243, that added together give a palindrome (24342).

The spelling of 109923243 in words is "one hundred nine million, nine hundred twenty-three thousand, two hundred forty-three".