123530824939 has 2 divisors, whose sum is σ = 123530824940. Its totient is φ = 123530824938.

The previous prime is 123530824919. The next prime is 123530824979. The reversal of 123530824939 is 939428035321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123530824939 - 2¹⁵ = 123530792171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123530824892 and 123530824901.

It is not a weakly prime, because it can be changed into another prime (123530824919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61765412469 + 61765412470.

It is an arithmetic number, because the mean of its divisors is an integer number (61765412470).

Almost surely, 2^123530824939 is an apocalyptic number.

123530824939 is a deficient number, since it is larger than the sum of its proper divisors (1).

123530824939 is an equidigital number, since it uses as much as digits as its factorization.

123530824939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 123530824939 in words is "one hundred twenty-three billion, five hundred thirty million, eight hundred twenty-four thousand, nine hundred thirty-nine".