1233001000123 has 2 divisors, whose sum is σ = 1233001000124. Its totient is φ = 1233001000122.

The previous prime is 1233001000117. The next prime is 1233001000157. The reversal of 1233001000123 is 3210001003321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1233001000123 - 2⁹ = 1233000999611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1233001000097 and 1233001000106.

It is not a weakly prime, because it can be changed into another prime (1233001000193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616500500061 + 616500500062.

It is an arithmetic number, because the mean of its divisors is an integer number (616500500062).

Almost surely, 2^{1233001000123} is an apocalyptic number.

1233001000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233001000123 is an equidigital number, since it uses as much as digits as its factorization.

1233001000123 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 1233001000123 its reverse (3210001003321), we get a palindrome (4443002003444).

The spelling of 1233001000123 in words is "one trillion, two hundred thirty-three billion, one million, one hundred twenty-three", and thus it is an aban number.