128323022823 has 16 divisors (see below), whose sum is σ = 190180489440. Its totient is φ = 85516143552.

The previous prime is 128323022801. The next prime is 128323022869. The reversal of 128323022823 is 328220323821.

It is a happy number.

It is not a de Polignac number, because 128323022823 - 2²⁴ = 128306245607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128323023823) 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, 831436 + ... + 973617.

It is an arithmetic number, because the mean of its divisors is an integer number (11886280590).

Almost surely, 2^128323022823 is an apocalyptic number.

128323022823 is a deficient number, since it is larger than the sum of its proper divisors (61857466617).

128323022823 is a wasteful number, since it uses less digits than its factorization.

128323022823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807695 (or 1807689 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 128323022823 in words is "one hundred twenty-eight billion, three hundred twenty-three million, twenty-two thousand, eight hundred twenty-three".