523226223 has 20 divisors (see below), whose sum is σ = 841735048. Its totient is φ = 321984720.

The previous prime is 523226201. The next prime is 523226227. The reversal of 523226223 is 322622325.

523226223 is a `hidden beast` number, since 5 + 2 + 32 + 2 + 622 + 3 = 666.

It is not a de Polignac number, because 523226223 - 2⁶ = 523226159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523226227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 247393 + ... + 249498.

Almost surely, 2^523226223 is an apocalyptic number.

523226223 is a deficient number, since it is larger than the sum of its proper divisors (318508825).

523226223 is a wasteful number, since it uses less digits than its factorization.

523226223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496916 (or 496907 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 523226223 is about 22874.1387378848. The cubic root of 523226223 is about 805.8047700795.

Adding to 523226223 its reverse (322622325), we get a palindrome (845848548).

The spelling of 523226223 in words is "five hundred twenty-three million, two hundred twenty-six thousand, two hundred twenty-three".