123766423471 has 2 divisors, whose sum is σ = 123766423472. Its totient is φ = 123766423470.

The previous prime is 123766423411. The next prime is 123766423477. The reversal of 123766423471 is 174324667321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123766423471 is a prime.

It is a super-3 number, since 3×123766423471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123766423477) 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, 61883211735 + 61883211736.

It is an arithmetic number, because the mean of its divisors is an integer number (61883211736).

Almost surely, 2^123766423471 is an apocalyptic number.

123766423471 is a deficient number, since it is larger than the sum of its proper divisors (1).

123766423471 is an equidigital number, since it uses as much as digits as its factorization.

123766423471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 46.

The spelling of 123766423471 in words is "one hundred twenty-three billion, seven hundred sixty-six million, four hundred twenty-three thousand, four hundred seventy-one".