123430441231 has 2 divisors, whose sum is σ = 123430441232. Its totient is φ = 123430441230.

The previous prime is 123430441217. The next prime is 123430441259. The reversal of 123430441231 is 132144034321.

It is a happy number.

It is an a-pointer prime, because the next prime (123430441259) can be obtained adding 123430441231 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123430441231 - 2¹⁹ = 123429916943 is a prime.

It is a super-2 number, since 2×123430441231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123430441231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123430441261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61715220615 + 61715220616.

It is an arithmetic number, because the mean of its divisors is an integer number (61715220616).

Almost surely, 2^123430441231 is an apocalyptic number.

123430441231 is a deficient number, since it is larger than the sum of its proper divisors (1).

123430441231 is an equidigital number, since it uses as much as digits as its factorization.

123430441231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123430441231 its reverse (132144034321), we get a palindrome (255574475552).

The spelling of 123430441231 in words is "one hundred twenty-three billion, four hundred thirty million, four hundred forty-one thousand, two hundred thirty-one".