23132223 has 40 divisors (see below), whose sum is σ = 37165392. Its totient is φ = 14287104.

The previous prime is 23132209. The next prime is 23132233. The reversal of 23132223 is 32223132.

It is a happy number.

It is not a de Polignac number, because 23132223 - 2⁸ = 23131967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23132196 and 23132205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132203) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 147261 + ... + 147417.

Almost surely, 2^23132223 is an apocalyptic number.

23132223 is a deficient number, since it is larger than the sum of its proper divisors (14033169).

23132223 is a wasteful number, since it uses less digits than its factorization.

23132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 284 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 23132223 is about 4809.5969685619. The cubic root of 23132223 is about 284.9306202308.

Adding to 23132223 its reverse (32223132), we get a palindrome (55355355).

Subtracting 23132223 from its reverse (32223132), we obtain a palindrome (9090909).

The spelling of 23132223 in words is "twenty-three million, one hundred thirty-two thousand, two hundred twenty-three".