128351023 has 12 divisors (see below), whose sum is σ = 136337040. Its totient is φ = 120810816.

The previous prime is 128351011. The next prime is 128351077. The reversal of 128351023 is 320153821.

It is not a de Polignac number, because 128351023 - 2⁵ = 128350991 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 (128351323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59223 + ... + 61351.

It is an arithmetic number, because the mean of its divisors is an integer number (11361420).

Almost surely, 2^128351023 is an apocalyptic number.

128351023 is a deficient number, since it is larger than the sum of its proper divisors (7986017).

128351023 is a wasteful number, since it uses less digits than its factorization.

128351023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 128351023 is about 11329.2110493185. The cubic root of 128351023 is about 504.4286882919.

The spelling of 128351023 in words is "one hundred twenty-eight million, three hundred fifty-one thousand, twenty-three".