23170233 has 4 divisors (see below), whose sum is σ = 30893648. Its totient is φ = 15446820.

The previous prime is 23170193. The next prime is 23170241. The reversal of 23170233 is 33207132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23170233 - 2⁸ = 23169977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23170283) 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, 3861703 + ... + 3861708.

It is an arithmetic number, because the mean of its divisors is an integer number (7723412).

Almost surely, 2^23170233 is an apocalyptic number.

It is an amenable number.

23170233 is a deficient number, since it is larger than the sum of its proper divisors (7723415).

23170233 is an equidigital number, since it uses as much as digits as its factorization.

23170233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723414.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 23170233 is about 4813.5468212120. The cubic root of 23170233 is about 285.0865972612.

Adding to 23170233 its reverse (33207132), we get a palindrome (56377365).

The spelling of 23170233 in words is "twenty-three million, one hundred seventy thousand, two hundred thirty-three".