1109465723 has 4 divisors (see below), whose sum is σ = 1121931720. Its totient is φ = 1096999728.

The previous prime is 1109465681. The next prime is 1109465729. The reversal of 1109465723 is 3275649011.

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 1109465723 - 2²⁴ = 1092688507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109465729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6232865 + ... + 6233042.

It is an arithmetic number, because the mean of its divisors is an integer number (280482930).

Almost surely, 2^1109465723 is an apocalyptic number.

1109465723 is a deficient number, since it is larger than the sum of its proper divisors (12465997).

1109465723 is an equidigital number, since it uses as much as digits as its factorization.

1109465723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12465996.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1109465723 is about 33308.6433677507. The cubic root of 1109465723 is about 1035.2326557346.

The spelling of 1109465723 in words is "one billion, one hundred nine million, four hundred sixty-five thousand, seven hundred twenty-three".