1001011000123 has 2 divisors, whose sum is σ = 1001011000124. Its totient is φ = 1001011000122.

The previous prime is 1001011000013. The next prime is 1001011000229. The reversal of 1001011000123 is 3210001101001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001011000123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001011000723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505500061 + 500505500062.

It is an arithmetic number, because the mean of its divisors is an integer number (500505500062).

Almost surely, 2^{1001011000123} is an apocalyptic number.

1001011000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001011000123 is an equidigital number, since it uses as much as digits as its factorization.

1001011000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1001011000123 its reverse (3210001101001), we get a palindrome (4211012101124).

The spelling of 1001011000123 in words is "one trillion, one billion, eleven million, one hundred twenty-three", and thus it is an aban number.