10123112231 has 2 divisors, whose sum is σ = 10123112232. Its totient is φ = 10123112230.

The previous prime is 10123112171. The next prime is 10123112261. The reversal of 10123112231 is 13221132101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10123112231 - 2²⁶ = 10056003367 is a prime.

It is a super-2 number, since 2×10123112231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123112261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061556115 + 5061556116.

It is an arithmetic number, because the mean of its divisors is an integer number (5061556116).

Almost surely, 2^10123112231 is an apocalyptic number.

10123112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123112231 is an equidigital number, since it uses as much as digits as its factorization.

10123112231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10123112231 its reverse (13221132101), we get a palindrome (23344244332).

The spelling of 10123112231 in words is "ten billion, one hundred twenty-three million, one hundred twelve thousand, two hundred thirty-one".