235523165393 has 2 divisors, whose sum is σ = 235523165394. Its totient is φ = 235523165392.

The previous prime is 235523165359. The next prime is 235523165551. The reversal of 235523165393 is 393561325532.

235523165393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133961124049 + 101562041344 = 366007^2 + 318688^2 .

It is a cyclic number.

It is not a de Polignac number, because 235523165393 - 2¹⁰ = 235523164369 is a prime.

It is a super-2 number, since 2×235523165393² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (235523165303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117761582696 + 117761582697.

It is an arithmetic number, because the mean of its divisors is an integer number (117761582697).

Almost surely, 2^235523165393 is an apocalyptic number.

It is an amenable number.

235523165393 is a deficient number, since it is larger than the sum of its proper divisors (1).

235523165393 is an equidigital number, since it uses as much as digits as its factorization.

235523165393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187000, while the sum is 47.

The spelling of 235523165393 in words is "two hundred thirty-five billion, five hundred twenty-three million, one hundred sixty-five thousand, three hundred ninety-three".