1000312123003 has 2 divisors, whose sum is σ = 1000312123004. Its totient is φ = 1000312123002.

The previous prime is 1000312122983. The next prime is 1000312123021. The reversal of 1000312123003 is 3003212130001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000312123003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000312123103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500156061501 + 500156061502.

It is an arithmetic number, because the mean of its divisors is an integer number (500156061502).

Almost surely, 2^{1000312123003} is an apocalyptic number.

1000312123003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000312123003 is an equidigital number, since it uses as much as digits as its factorization.

1000312123003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1000312123003 its reverse (3003212130001), we get a palindrome (4003524253004).

The spelling of 1000312123003 in words is "one trillion, three hundred twelve million, one hundred twenty-three thousand, three".