123008913887 has 2 divisors, whose sum is σ = 123008913888. Its totient is φ = 123008913886.

The previous prime is 123008913869. The next prime is 123008913889. The reversal of 123008913887 is 788319800321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123008913887 - 2²² = 123004719583 is a prime.

Together with 123008913889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123008913889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61504456943 + 61504456944.

It is an arithmetic number, because the mean of its divisors is an integer number (61504456944).

Almost surely, 2^123008913887 is an apocalyptic number.

123008913887 is a deficient number, since it is larger than the sum of its proper divisors (1).

123008913887 is an equidigital number, since it uses as much as digits as its factorization.

123008913887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 123008913887 in words is "one hundred twenty-three billion, eight million, nine hundred thirteen thousand, eight hundred eighty-seven".