128348223 has 4 divisors (see below), whose sum is σ = 171130968. Its totient is φ = 85565480.

The previous prime is 128348221. The next prime is 128348237. The reversal of 128348223 is 322843821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 128348223 - 2¹ = 128348221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128348221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21391368 + ... + 21391373.

It is an arithmetic number, because the mean of its divisors is an integer number (42782742).

Almost surely, 2^128348223 is an apocalyptic number.

128348223 is a deficient number, since it is larger than the sum of its proper divisors (42782745).

128348223 is an equidigital number, since it uses as much as digits as its factorization.

128348223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42782744.

The product of its digits is 18432, while the sum is 33.

The square root of 128348223 is about 11329.0874742849. The cubic root of 128348223 is about 504.4250201985.

The spelling of 128348223 in words is "one hundred twenty-eight million, three hundred forty-eight thousand, two hundred twenty-three".