128230973 has 8 divisors (see below), whose sum is σ = 142550016. Its totient is φ = 114548400.

The previous prime is 128230919. The next prime is 128231029. The reversal of 128230973 is 379032821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128230973 - 2²² = 124036669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128230073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158693 + ... + 159498.

It is an arithmetic number, because the mean of its divisors is an integer number (17818752).

Almost surely, 2^128230973 is an apocalyptic number.

128230973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

128230973 is a deficient number, since it is larger than the sum of its proper divisors (14319043).

128230973 is a wasteful number, since it uses less digits than its factorization.

128230973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318235.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 128230973 is about 11323.9115591742. The cubic root of 128230973 is about 504.2713708757.

The spelling of 128230973 in words is "one hundred twenty-eight million, two hundred thirty thousand, nine hundred seventy-three".