123840468067 has 2 divisors, whose sum is σ = 123840468068. Its totient is φ = 123840468066.

The previous prime is 123840468053. The next prime is 123840468077. The reversal of 123840468067 is 760864048321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123840468067 - 2³⁵ = 89480729699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123840468067.

It is not a weakly prime, because it can be changed into another prime (123840468077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61920234033 + 61920234034.

It is an arithmetic number, because the mean of its divisors is an integer number (61920234034).

Almost surely, 2^123840468067 is an apocalyptic number.

123840468067 is a deficient number, since it is larger than the sum of its proper divisors (1).

123840468067 is an equidigital number, since it uses as much as digits as its factorization.

123840468067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 123840468067 in words is "one hundred twenty-three billion, eight hundred forty million, four hundred sixty-eight thousand, sixty-seven".