128608700023 has 2 divisors, whose sum is σ = 128608700024. Its totient is φ = 128608700022.

The previous prime is 128608700021. The next prime is 128608700041. The reversal of 128608700023 is 320007806821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128608700023 - 2¹ = 128608700021 is a prime.

Together with 128608700021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128608700021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64304350011 + 64304350012.

It is an arithmetic number, because the mean of its divisors is an integer number (64304350012).

Almost surely, 2^128608700023 is an apocalyptic number.

128608700023 is a deficient number, since it is larger than the sum of its proper divisors (1).

128608700023 is an equidigital number, since it uses as much as digits as its factorization.

128608700023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 128608700023 in words is "one hundred twenty-eight billion, six hundred eight million, seven hundred thousand, twenty-three".