523111201 has 2 divisors, whose sum is σ = 523111202. Its totient is φ = 523111200.

The previous prime is 523111159. The next prime is 523111229. The reversal of 523111201 is 102111325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514200976 + 8910225 = 22676^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 523111201 - 2¹⁵ = 523078433 is a prime.

It is a super-2 number, since 2×523111201² = 547290657223324802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523111231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261555600 + 261555601.

It is an arithmetic number, because the mean of its divisors is an integer number (261555601).

Almost surely, 2^523111201 is an apocalyptic number.

It is an amenable number.

523111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

523111201 is an equidigital number, since it uses as much as digits as its factorization.

523111201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 523111201 is about 22871.6243629524. The cubic root of 523111201 is about 805.7457184591.

Adding to 523111201 its reverse (102111325), we get a palindrome (625222526).

The spelling of 523111201 in words is "five hundred twenty-three million, one hundred eleven thousand, two hundred one".