23231223 has 12 divisors (see below), whose sum is σ = 34337160. Its totient is φ = 15127056.

The previous prime is 23231213. The next prime is 23231237. The reversal of 23231223 is 32213232.

It is a happy number.

It is not a de Polignac number, because 23231223 - 2¹⁴ = 23214839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23231196 and 23231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29628 + ... + 30401.

It is an arithmetic number, because the mean of its divisors is an integer number (2861430).

Almost surely, 2^23231223 is an apocalyptic number.

23231223 is a deficient number, since it is larger than the sum of its proper divisors (11105937).

23231223 is a wasteful number, since it uses less digits than its factorization.

23231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60078 (or 60075 counting only the distinct ones).

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

The square root of 23231223 is about 4819.8779030179. The cubic root of 23231223 is about 285.3365184680.

Adding to 23231223 its reverse (32213232), we get a palindrome (55444455).

Subtracting 23231223 from its reverse (32213232), we obtain a square (8982009 = 2997²).

The spelling of 23231223 in words is "twenty-three million, two hundred thirty-one thousand, two hundred twenty-three".