123832399 has 2 divisors, whose sum is σ = 123832400. Its totient is φ = 123832398.

The previous prime is 123832381. The next prime is 123832439. The reversal of 123832399 is 993238321.

It is a happy number.

It is an a-pointer prime, because the next prime (123832439) can be obtained adding 123832399 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123832399 - 2⁷ = 123832271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123832699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61916199 + 61916200.

It is an arithmetic number, because the mean of its divisors is an integer number (61916200).

Almost surely, 2^123832399 is an apocalyptic number.

123832399 is a deficient number, since it is larger than the sum of its proper divisors (1).

123832399 is an equidigital number, since it uses as much as digits as its factorization.

123832399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 123832399 is about 11128.0006739755. Note that the first 3 decimals coincide. The cubic root of 123832399 is about 498.4383260941.

The spelling of 123832399 in words is "one hundred twenty-three million, eight hundred thirty-two thousand, three hundred ninety-nine".