403231322221073 has 2 divisors, whose sum is σ = 403231322221074. Its totient is φ = 403231322221072.

The previous prime is 403231322221043. The next prime is 403231322221087. The reversal of 403231322221073 is 370122223132304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361953935357569 + 41277386863504 = 19025087^2 + 6424748^2 .

It is a cyclic number.

It is not a de Polignac number, because 403231322221073 - 2²² = 403231318026769 is a prime.

It is not a weakly prime, because it can be changed into another prime (403231322221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201615661110536 + 201615661110537.

It is an arithmetic number, because the mean of its divisors is an integer number (201615661110537).

Almost surely, 2^{403231322221073} is an apocalyptic number.

It is an amenable number.

403231322221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

403231322221073 is an equidigital number, since it uses as much as digits as its factorization.

403231322221073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 403231322221073 its reverse (370122223132304), we get a palindrome (773353545353377).

The spelling of 403231322221073 in words is "four hundred three trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred twenty-one thousand, seventy-three".