23172343 has 8 divisors (see below), whose sum is σ = 25827120. Its totient is φ = 20661120.

The previous prime is 23172319. The next prime is 23172349. The reversal of 23172343 is 34327132.

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

It is not a de Polignac number, because 23172343 - 2⁹ = 23171831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23172349) 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, 35548 + ... + 36193.

It is an arithmetic number, because the mean of its divisors is an integer number (3228390).

Almost surely, 2^23172343 is an apocalyptic number.

23172343 is a deficient number, since it is larger than the sum of its proper divisors (2654777).

23172343 is a wasteful number, since it uses less digits than its factorization.

23172343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71777.

The product of its digits is 3024, while the sum is 25.

The square root of 23172343 is about 4813.7659893269. The cubic root of 23172343 is about 285.0952508134.

Adding to 23172343 its reverse (34327132), we get a palindrome (57499475).

The spelling of 23172343 in words is "twenty-three million, one hundred seventy-two thousand, three hundred forty-three".