123344537039 has 2 divisors, whose sum is σ = 123344537040. Its totient is φ = 123344537038.

The previous prime is 123344537027. The next prime is 123344537077. The reversal of 123344537039 is 930735443321.

It is a weak prime.

It is an emirp because it is prime and its reverse (930735443321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123344537039 - 2¹² = 123344532943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123344537009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61672268519 + 61672268520.

It is an arithmetic number, because the mean of its divisors is an integer number (61672268520).

Almost surely, 2^123344537039 is an apocalyptic number.

123344537039 is a deficient number, since it is larger than the sum of its proper divisors (1).

123344537039 is an equidigital number, since it uses as much as digits as its factorization.

123344537039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 123344537039 in words is "one hundred twenty-three billion, three hundred forty-four million, five hundred thirty-seven thousand, thirty-nine".