23223133 has 4 divisors (see below), whose sum is σ = 23234688. Its totient is φ = 23211580.

The previous prime is 23223107. The next prime is 23223143. The reversal of 23223133 is 33132232.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23223133 - 2⁹ = 23222621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23223133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223143) 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, 1891 + ... + 7072.

It is an arithmetic number, because the mean of its divisors is an integer number (5808672).

Almost surely, 2^23223133 is an apocalyptic number.

It is an amenable number.

23223133 is a deficient number, since it is larger than the sum of its proper divisors (11555).

23223133 is an equidigital number, since it uses as much as digits as its factorization.

23223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11554.

The product of its digits is 648, while the sum is 19.

The square root of 23223133 is about 4819.0385970648. The cubic root of 23223133 is about 285.3033929277.

Adding to 23223133 its reverse (33132232), we get a palindrome (56355365).

Subtracting 23223133 from its reverse (33132232), we obtain a palindrome (9909099).

The spelling of 23223133 in words is "twenty-three million, two hundred twenty-three thousand, one hundred thirty-three".