2003123222077 has 2 divisors, whose sum is σ = 2003123222078. Its totient is φ = 2003123222076.

The previous prime is 2003123222021. The next prime is 2003123222129. The reversal of 2003123222077 is 7702223213002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1894163153796 + 108960068281 = 1376286^2 + 330091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003123222077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003123228077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001561611038 + 1001561611039.

It is an arithmetic number, because the mean of its divisors is an integer number (1001561611039).

Almost surely, 2^{2003123222077} is an apocalyptic number.

It is an amenable number.

2003123222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003123222077 is an equidigital number, since it uses as much as digits as its factorization.

2003123222077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

Adding to 2003123222077 its reverse (7702223213002), we get a palindrome (9705346435079).

The spelling of 2003123222077 in words is "two trillion, three billion, one hundred twenty-three million, two hundred twenty-two thousand, seventy-seven".