109423723 has 4 divisors (see below), whose sum is σ = 109476928. Its totient is φ = 109370520.

The previous prime is 109423697. The next prime is 109423729. The reversal of 109423723 is 327324901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327324901 = 43 ⋅7612207.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109423723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109423729) 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, 23388 + ... + 27673.

It is an arithmetic number, because the mean of its divisors is an integer number (27369232).

Almost surely, 2^109423723 is an apocalyptic number.

109423723 is a deficient number, since it is larger than the sum of its proper divisors (53205).

109423723 is an equidigital number, since it uses as much as digits as its factorization.

109423723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53204.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 109423723 is about 10460.5794772565. The cubic root of 109423723 is about 478.3037975291.

The spelling of 109423723 in words is "one hundred nine million, four hundred twenty-three thousand, seven hundred twenty-three".