523222633 has 2 divisors, whose sum is σ = 523222634. Its totient is φ = 523222632.

The previous prime is 523222571. The next prime is 523222639. The reversal of 523222633 is 336222325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 523128384 + 94249 = 22872^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 523222633 - 2⁹ = 523222121 is a prime.

It is not a weakly prime, because it can be changed into another prime (523222639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261611316 + 261611317.

It is an arithmetic number, because the mean of its divisors is an integer number (261611317).

Almost surely, 2^523222633 is an apocalyptic number.

It is an amenable number.

523222633 is a deficient number, since it is larger than the sum of its proper divisors (1).

523222633 is an equidigital number, since it uses as much as digits as its factorization.

523222633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 28.

The square root of 523222633 is about 22874.0602648502. The cubic root of 523222633 is about 805.8029271254.

Adding to 523222633 its reverse (336222325), we get a palindrome (859444958).

The spelling of 523222633 in words is "five hundred twenty-three million, two hundred twenty-two thousand, six hundred thirty-three".