123756383299 has 2 divisors, whose sum is σ = 123756383300. Its totient is φ = 123756383298.

The previous prime is 123756383287. The next prime is 123756383339. The reversal of 123756383299 is 992383657321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123756383299 - 2²⁷ = 123622165571 is a prime.

It is a super-2 number, since 2×123756383299² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123756383269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61878191649 + 61878191650.

It is an arithmetic number, because the mean of its divisors is an integer number (61878191650).

Almost surely, 2^123756383299 is an apocalyptic number.

123756383299 is a deficient number, since it is larger than the sum of its proper divisors (1).

123756383299 is an equidigital number, since it uses as much as digits as its factorization.

123756383299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 58.

The spelling of 123756383299 in words is "one hundred twenty-three billion, seven hundred fifty-six million, three hundred eighty-three thousand, two hundred ninety-nine".