183523213 has 2 divisors, whose sum is σ = 183523214. Its totient is φ = 183523212.

The previous prime is 183523199. The next prime is 183523231. The reversal of 183523213 is 312325381.

Together with next prime (183523231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111239209 + 72284004 = 10547^2 + 8502^2 .

It is a cyclic number.

It is not a de Polignac number, because 183523213 - 2⁵ = 183523181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183523253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91761606 + 91761607.

It is an arithmetic number, because the mean of its divisors is an integer number (91761607).

Almost surely, 2^183523213 is an apocalyptic number.

It is an amenable number.

183523213 is a deficient number, since it is larger than the sum of its proper divisors (1).

183523213 is an equidigital number, since it uses as much as digits as its factorization.

183523213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 183523213 is about 13547.0739645135. The cubic root of 183523213 is about 568.2816960927.

Adding to 183523213 its reverse (312325381), we get a palindrome (495848594).

The spelling of 183523213 in words is "one hundred eighty-three million, five hundred twenty-three thousand, two hundred thirteen".