128650242343 has 16 divisors (see below), whose sum is σ = 150464666880. Its totient is φ = 107695336896.

The previous prime is 128650242323. The next prime is 128650242373. The reversal of 128650242343 is 343242056821.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-128650242343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128650242296 and 128650242305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128650242323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3693696 + ... + 3728362.

It is an arithmetic number, because the mean of its divisors is an integer number (9404041680).

Almost surely, 2^128650242343 is an apocalyptic number.

128650242343 is a deficient number, since it is larger than the sum of its proper divisors (21814424537).

128650242343 is a wasteful number, since it uses less digits than its factorization.

128650242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47046.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 128650242343 in words is "one hundred twenty-eight billion, six hundred fifty million, two hundred forty-two thousand, three hundred forty-three".