123450244231 has 2 divisors, whose sum is σ = 123450244232. Its totient is φ = 123450244230.

The previous prime is 123450244213. The next prime is 123450244237. The reversal of 123450244231 is 132442054321.

Together with previous prime (123450244213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (132442054321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123450244231 - 2¹⁵ = 123450211463 is a prime.

It is a super-2 number, since 2×123450244231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123450244193 and 123450244202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123450244237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61725122115 + 61725122116.

It is an arithmetic number, because the mean of its divisors is an integer number (61725122116).

Almost surely, 2^123450244231 is an apocalyptic number.

123450244231 is a deficient number, since it is larger than the sum of its proper divisors (1).

123450244231 is an equidigital number, since it uses as much as digits as its factorization.

123450244231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 123450244231 its reverse (132442054321), we get a palindrome (255892298552).

The spelling of 123450244231 in words is "one hundred twenty-three billion, four hundred fifty million, two hundred forty-four thousand, two hundred thirty-one".