523834369 has 2 divisors, whose sum is σ = 523834370. Its totient is φ = 523834368.

The previous prime is 523834357. The next prime is 523834387. The reversal of 523834369 is 963438325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523814769 + 19600 = 22887^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 523834369 - 2²¹ = 521737217 is a prime.

It is a super-2 number, since 2×523834369² = 548804892291256322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (523834309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261917184 + 261917185.

It is an arithmetic number, because the mean of its divisors is an integer number (261917185).

Almost surely, 2^523834369 is an apocalyptic number.

It is an amenable number.

523834369 is a deficient number, since it is larger than the sum of its proper divisors (1).

523834369 is an equidigital number, since it uses as much as digits as its factorization.

523834369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 43.

The square root of 523834369 is about 22887.4281866705. The cubic root of 523834369 is about 806.1168449132.

The spelling of 523834369 in words is "five hundred twenty-three million, eight hundred thirty-four thousand, three hundred sixty-nine".