123148027231 has 2 divisors, whose sum is σ = 123148027232. Its totient is φ = 123148027230.

The previous prime is 123148027169. The next prime is 123148027243. The reversal of 123148027231 is 132720841321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123148027231 - 2¹⁷ = 123147896159 is a prime.

It is a super-2 number, since 2×123148027231² (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 (123148027631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61574013615 + 61574013616.

It is an arithmetic number, because the mean of its divisors is an integer number (61574013616).

Almost surely, 2^123148027231 is an apocalyptic number.

123148027231 is a deficient number, since it is larger than the sum of its proper divisors (1).

123148027231 is an equidigital number, since it uses as much as digits as its factorization.

123148027231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 123148027231 its reverse (132720841321), we get a palindrome (255868868552).

The spelling of 123148027231 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-seven thousand, two hundred thirty-one".