123756383339 has 2 divisors, whose sum is σ = 123756383340. Its totient is φ = 123756383338.

The previous prime is 123756383299. The next prime is 123756383357. The reversal of 123756383339 is 933383657321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123756383339 is a prime.

It is not a weakly prime, because it can be changed into another prime (123756383389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61878191669 + 61878191670.

It is an arithmetic number, because the mean of its divisors is an integer number (61878191670).

Almost surely, 2^123756383339 is an apocalyptic number.

123756383339 is a deficient number, since it is larger than the sum of its proper divisors (1).

123756383339 is an equidigital number, since it uses as much as digits as its factorization.

123756383339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 53.

The spelling of 123756383339 in words is "one hundred twenty-three billion, seven hundred fifty-six million, three hundred eighty-three thousand, three hundred thirty-nine".