128414223 has 24 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 73275984.

The previous prime is 128414203. The next prime is 128414239. The reversal of 128414223 is 322414821.

128414223 is a `hidden beast` number, since 1 + 28 + 414 + 223 = 666.

It is a Cunningham number, because it is equal to 11332²-1.

It is not a de Polignac number, because 128414223 - 2⁶ = 128414159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128414203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78508 + ... + 80126.

It is an arithmetic number, because the mean of its divisors is an integer number (8845200).

Almost surely, 2^128414223 is an apocalyptic number.

128414223 is a deficient number, since it is larger than the sum of its proper divisors (83870577).

128414223 is a wasteful number, since it uses less digits than its factorization.

128414223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2888 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 128414223 is about 11331.9999558772. Note that the first 4 decimals coincide. The cubic root of 128414223 is about 504.5114682112.

The spelling of 128414223 in words is "one hundred twenty-eight million, four hundred fourteen thousand, two hundred twenty-three".