23172673 has 4 divisors (see below), whose sum is σ = 23183748. Its totient is φ = 23161600.

The previous prime is 23172671. The next prime is 23172689. The reversal of 23172673 is 37627132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14837904 + 8334769 = 3852^2 + 2887^2 .

It is a cyclic number.

It is not a de Polignac number, because 23172673 - 2¹ = 23172671 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23172671) 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, 1336 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (5795937).

Almost surely, 2^23172673 is an apocalyptic number.

It is an amenable number.

23172673 is a deficient number, since it is larger than the sum of its proper divisors (11075).

23172673 is an equidigital number, since it uses as much as digits as its factorization.

23172673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074.

The product of its digits is 10584, while the sum is 31.

The square root of 23172673 is about 4813.8002659022. The cubic root of 23172673 is about 285.0966041651.

The spelling of 23172673 in words is "twenty-three million, one hundred seventy-two thousand, six hundred seventy-three".