2003100320323 has 2 divisors, whose sum is σ = 2003100320324. Its totient is φ = 2003100320322.

The previous prime is 2003100320231. The next prime is 2003100320329. The reversal of 2003100320323 is 3230230013002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2003100320323 - 2²⁵ = 2003066765891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003100320323.

It is not a weakly prime, because it can be changed into another prime (2003100320329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001550160161 + 1001550160162.

It is an arithmetic number, because the mean of its divisors is an integer number (1001550160162).

Almost surely, 2^{2003100320323} is an apocalyptic number.

2003100320323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003100320323 is an equidigital number, since it uses as much as digits as its factorization.

2003100320323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 2003100320323 its reverse (3230230013002), we get a palindrome (5233330333325).

The spelling of 2003100320323 in words is "two trillion, three billion, one hundred million, three hundred twenty thousand, three hundred twenty-three".