1000311122123 has 2 divisors, whose sum is σ = 1000311122124. Its totient is φ = 1000311122122.

The previous prime is 1000311122099. The next prime is 1000311122149. The reversal of 1000311122123 is 3212211130001.

1000311122123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000311122123 - 2⁸ = 1000311121867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000311122323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500155561061 + 500155561062.

It is an arithmetic number, because the mean of its divisors is an integer number (500155561062).

Almost surely, 2^{1000311122123} is an apocalyptic number.

1000311122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000311122123 is an equidigital number, since it uses as much as digits as its factorization.

1000311122123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1000311122123 its reverse (3212211130001), we get a palindrome (4212522252124).

The spelling of 1000311122123 in words is "one trillion, three hundred eleven million, one hundred twenty-two thousand, one hundred twenty-three".