123992963539 has 2 divisors, whose sum is σ = 123992963540. Its totient is φ = 123992963538.

The previous prime is 123992963537. The next prime is 123992963573. The reversal of 123992963539 is 935369299321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123992963539 - 2¹ = 123992963537 is a prime.

Together with 123992963537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123992963537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61996481769 + 61996481770.

It is an arithmetic number, because the mean of its divisors is an integer number (61996481770).

Almost surely, 2^123992963539 is an apocalyptic number.

123992963539 is a deficient number, since it is larger than the sum of its proper divisors (1).

123992963539 is an equidigital number, since it uses as much as digits as its factorization.

123992963539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21257640, while the sum is 61.

The spelling of 123992963539 in words is "one hundred twenty-three billion, nine hundred ninety-two million, nine hundred sixty-three thousand, five hundred thirty-nine".