123041112031 has 2 divisors, whose sum is σ = 123041112032. Its totient is φ = 123041112030.

The previous prime is 123041112001. The next prime is 123041112067. The reversal of 123041112031 is 130211140321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123041112031 - 2⁹ = 123041111519 is a prime.

It is a super-2 number, since 2×123041112031² (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 (123041112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61520556015 + 61520556016.

It is an arithmetic number, because the mean of its divisors is an integer number (61520556016).

Almost surely, 2^123041112031 is an apocalyptic number.

123041112031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123041112031 is an equidigital number, since it uses as much as digits as its factorization.

123041112031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123041112031 its reverse (130211140321), we get a palindrome (253252252352).

The spelling of 123041112031 in words is "one hundred twenty-three billion, forty-one million, one hundred twelve thousand, thirty-one".