2003223013997 has 2 divisors, whose sum is σ = 2003223013998. Its totient is φ = 2003223013996.

The previous prime is 2003223013991. The next prime is 2003223013999. The reversal of 2003223013997 is 7993103223002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1031567266921 + 971655747076 = 1015661^2 + 985726^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003223013997 - 2¹⁸ = 2003222751853 is a prime.

Together with 2003223013999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003223013991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001611506998 + 1001611506999.

It is an arithmetic number, because the mean of its divisors is an integer number (1001611506999).

Almost surely, 2^{2003223013997} is an apocalyptic number.

It is an amenable number.

2003223013997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003223013997 is an equidigital number, since it uses as much as digits as its factorization.

2003223013997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

Adding to 2003223013997 its reverse (7993103223002), we get a palindrome (9996326236999).

The spelling of 2003223013997 in words is "two trillion, three billion, two hundred twenty-three million, thirteen thousand, nine hundred ninety-seven".