23223566 has 8 divisors (see below), whose sum is σ = 35255304. Its totient is φ = 11471800.

The previous prime is 23223559. The next prime is 23223667. The reversal of 23223566 is 66532232.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69785 + ... + 70116.

It is an arithmetic number, because the mean of its divisors is an integer number (4406913).

Almost surely, 2^23223566 is an apocalyptic number.

23223566 is a deficient number, since it is larger than the sum of its proper divisors (12031738).

23223566 is a wasteful number, since it uses less digits than its factorization.

23223566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139986.

The product of its digits is 12960, while the sum is 29.

The square root of 23223566 is about 4819.0835228288. The cubic root of 23223566 is about 285.3051660965.

Adding to 23223566 its reverse (66532232), we get a palindrome (89755798).

The spelling of 23223566 in words is "twenty-three million, two hundred twenty-three thousand, five hundred sixty-six".