523005673 has 2 divisors, whose sum is σ = 523005674. Its totient is φ = 523005672.

The previous prime is 523005649. The next prime is 523005683. The reversal of 523005673 is 376500325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478209424 + 44796249 = 21868^2 + 6693^2 .

It is a cyclic number.

It is not a de Polignac number, because 523005673 - 2⁵ = 523005641 is a prime.

It is not a weakly prime, because it can be changed into another prime (523005683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261502836 + 261502837.

It is an arithmetic number, because the mean of its divisors is an integer number (261502837).

Almost surely, 2^523005673 is an apocalyptic number.

It is an amenable number.

523005673 is a deficient number, since it is larger than the sum of its proper divisors (1).

523005673 is an equidigital number, since it uses as much as digits as its factorization.

523005673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 523005673 is about 22869.3172832072. The cubic root of 523005673 is about 805.6915333883.

Adding to 523005673 its reverse (376500325), we get a palindrome (899505998).

The spelling of 523005673 in words is "five hundred twenty-three million, five thousand, six hundred seventy-three".