123823039 has 2 divisors, whose sum is σ = 123823040. Its totient is φ = 123823038.

The previous prime is 123823033. The next prime is 123823043. The reversal of 123823039 is 930328321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123823039 - 2³ = 123823031 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123823039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123823031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61911519 + 61911520.

It is an arithmetic number, because the mean of its divisors is an integer number (61911520).

Almost surely, 2^123823039 is an apocalyptic number.

123823039 is a deficient number, since it is larger than the sum of its proper divisors (1).

123823039 is an equidigital number, since it uses as much as digits as its factorization.

123823039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 123823039 is about 11127.5801053059. The cubic root of 123823039 is about 498.4257674521.

The spelling of 123823039 in words is "one hundred twenty-three million, eight hundred twenty-three thousand, thirty-nine".