123102311023 has 2 divisors, whose sum is σ = 123102311024. Its totient is φ = 123102311022.

The previous prime is 123102310957. The next prime is 123102311047. The reversal of 123102311023 is 320113201321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123102311023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123102311923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551155511 + 61551155512.

It is an arithmetic number, because the mean of its divisors is an integer number (61551155512).

Almost surely, 2^123102311023 is an apocalyptic number.

123102311023 is a deficient number, since it is larger than the sum of its proper divisors (1).

123102311023 is an equidigital number, since it uses as much as digits as its factorization.

123102311023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123102311023 its reverse (320113201321), we get a palindrome (443215512344).

The spelling of 123102311023 in words is "one hundred twenty-three billion, one hundred two million, three hundred eleven thousand, twenty-three".