23173727 has 8 divisors (see below), whose sum is σ = 23488080. Its totient is φ = 22861440.

The previous prime is 23173723. The next prime is 23173751. The reversal of 23173727 is 72737132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23173727 - 2² = 23173723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23173693 and 23173702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46952 + ... + 47442.

It is an arithmetic number, because the mean of its divisors is an integer number (2936010).

Almost surely, 2^23173727 is an apocalyptic number.

23173727 is a deficient number, since it is larger than the sum of its proper divisors (314353).

23173727 is a wasteful number, since it uses less digits than its factorization.

23173727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 12348, while the sum is 32.

The square root of 23173727 is about 4813.9097415718. The cubic root of 23173727 is about 285.1009266022.

The spelling of 23173727 in words is "twenty-three million, one hundred seventy-three thousand, seven hundred twenty-seven".