123023303111 has 2 divisors, whose sum is σ = 123023303112. Its totient is φ = 123023303110.

The previous prime is 123023303077. The next prime is 123023303171. The reversal of 123023303111 is 111303320321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123023303111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123023303171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511651555 + 61511651556.

It is an arithmetic number, because the mean of its divisors is an integer number (61511651556).

Almost surely, 2^123023303111 is an apocalyptic number.

123023303111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123023303111 is an equidigital number, since it uses as much as digits as its factorization.

123023303111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123023303111 its reverse (111303320321), we get a palindrome (234326623432).

The spelling of 123023303111 in words is "one hundred twenty-three billion, twenty-three million, three hundred three thousand, one hundred eleven".