123244243037 has 2 divisors, whose sum is σ = 123244243038. Its totient is φ = 123244243036.

The previous prime is 123244243009. The next prime is 123244243051. The reversal of 123244243037 is 730342442321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123243825721 + 417316 = 351061^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 123244243037 - 2¹⁴ = 123244226653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123244242988 and 123244243006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123244243637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61622121518 + 61622121519.

It is an arithmetic number, because the mean of its divisors is an integer number (61622121519).

Almost surely, 2^123244243037 is an apocalyptic number.

It is an amenable number.

123244243037 is a deficient number, since it is larger than the sum of its proper divisors (1).

123244243037 is an equidigital number, since it uses as much as digits as its factorization.

123244243037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 123244243037 its reverse (730342442321), we get a palindrome (853586685358).

The spelling of 123244243037 in words is "one hundred twenty-three billion, two hundred forty-four million, two hundred forty-three thousand, thirty-seven".