523834121 has 2 divisors, whose sum is σ = 523834122. Its totient is φ = 523834120.

The previous prime is 523834099. The next prime is 523834169. The reversal of 523834121 is 121438325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286828096 + 237006025 = 16936^2 + 15395^2 .

It is a cyclic number.

It is not a de Polignac number, because 523834121 - 2¹⁴ = 523817737 is a prime.

It is a Sophie Germain prime.

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

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (523834021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261917060 + 261917061.

It is an arithmetic number, because the mean of its divisors is an integer number (261917061).

Almost surely, 2^523834121 is an apocalyptic number.

It is an amenable number.

523834121 is a deficient number, since it is larger than the sum of its proper divisors (1).

523834121 is an equidigital number, since it uses as much as digits as its factorization.

523834121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 523834121 is about 22887.4227688484. The cubic root of 523834121 is about 806.1167176993.

The spelling of 523834121 in words is "five hundred twenty-three million, eight hundred thirty-four thousand, one hundred twenty-one".