123003131023 has 2 divisors, whose sum is σ = 123003131024. Its totient is φ = 123003131022.

The previous prime is 123003131011. The next prime is 123003131051. The reversal of 123003131023 is 320131300321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123003131023 - 2²¹ = 123001033871 is a prime.

It is a super-2 number, since 2×123003131023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123003131003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61501565511 + 61501565512.

It is an arithmetic number, because the mean of its divisors is an integer number (61501565512).

Almost surely, 2^123003131023 is an apocalyptic number.

123003131023 is a deficient number, since it is larger than the sum of its proper divisors (1).

123003131023 is an equidigital number, since it uses as much as digits as its factorization.

123003131023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123003131023 its reverse (320131300321), we get a palindrome (443134431344).

The spelling of 123003131023 in words is "one hundred twenty-three billion, three million, one hundred thirty-one thousand, twenty-three".