128650242323 has 2 divisors, whose sum is σ = 128650242324. Its totient is φ = 128650242322.

The previous prime is 128650242317. The next prime is 128650242373. The reversal of 128650242323 is 323242056821.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (323242056821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128650242323 - 2²⁸ = 128381806867 is a prime.

It is not a weakly prime, because it can be changed into another prime (128650242373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64325121161 + 64325121162.

It is an arithmetic number, because the mean of its divisors is an integer number (64325121162).

Almost surely, 2^128650242323 is an apocalyptic number.

128650242323 is a deficient number, since it is larger than the sum of its proper divisors (1).

128650242323 is an equidigital number, since it uses as much as digits as its factorization.

128650242323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 128650242323 in words is "one hundred twenty-eight billion, six hundred fifty million, two hundred forty-two thousand, three hundred twenty-three".