523863133 has 2 divisors, whose sum is σ = 523863134. Its totient is φ = 523863132.

The previous prime is 523863113. The next prime is 523863139. The reversal of 523863133 is 331368325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513384964 + 10478169 = 22658^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 523863133 - 2⁵ = 523863101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523863139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261931566 + 261931567.

It is an arithmetic number, because the mean of its divisors is an integer number (261931567).

Almost surely, 2^523863133 is an apocalyptic number.

It is an amenable number.

523863133 is a deficient number, since it is larger than the sum of its proper divisors (1).

523863133 is an equidigital number, since it uses as much as digits as its factorization.

523863133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 523863133 is about 22888.0565579518. The cubic root of 523863133 is about 806.1315993992.

The spelling of 523863133 in words is "five hundred twenty-three million, eight hundred sixty-three thousand, one hundred thirty-three".