442531323135233 has 2 divisors, whose sum is σ = 442531323135234. Its totient is φ = 442531323135232.

The previous prime is 442531323135169. The next prime is 442531323135259. The reversal of 442531323135233 is 332531323135244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441519987190129 + 1011335945104 = 21012377^2 + 1005652^2 .

It is a cyclic number.

It is not a de Polignac number, because 442531323135233 - 2⁶ = 442531323135169 is a prime.

It is not a weakly prime, because it can be changed into another prime (442531323105233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221265661567616 + 221265661567617.

It is an arithmetic number, because the mean of its divisors is an integer number (221265661567617).

Almost surely, 2^{442531323135233} is an apocalyptic number.

It is an amenable number.

442531323135233 is a deficient number, since it is larger than the sum of its proper divisors (1).

442531323135233 is an equidigital number, since it uses as much as digits as its factorization.

442531323135233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 44.

The spelling of 442531323135233 in words is "four hundred forty-two trillion, five hundred thirty-one billion, three hundred twenty-three million, one hundred thirty-five thousand, two hundred thirty-three".