523213233 has 8 divisors (see below), whose sum is σ = 738654048. Its totient is φ = 328290624.

The previous prime is 523213219. The next prime is 523213237. The reversal of 523213233 is 332312325.

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

It is not a de Polignac number, because 523213233 - 2⁴ = 523213217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523213237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129491 + ... + 5129592.

It is an arithmetic number, because the mean of its divisors is an integer number (92331756).

Almost surely, 2^523213233 is an apocalyptic number.

It is an amenable number.

523213233 is a deficient number, since it is larger than the sum of its proper divisors (215440815).

523213233 is a wasteful number, since it uses less digits than its factorization.

523213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259103.

The product of its digits is 3240, while the sum is 24.

The square root of 523213233 is about 22873.8547910054. The cubic root of 523213233 is about 805.7981015232.

Adding to 523213233 its reverse (332312325), we get a palindrome (855525558).

The spelling of 523213233 in words is "five hundred twenty-three million, two hundred thirteen thousand, two hundred thirty-three".