128023466 has 16 divisors (see below), whose sum is σ = 195921600. Its totient is φ = 62726400.

The previous prime is 128023453. The next prime is 128023471. The reversal of 128023466 is 664320821.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24266 + ... + 29066.

It is an arithmetic number, because the mean of its divisors is an integer number (12245100).

Almost surely, 2^128023466 is an apocalyptic number.

128023466 is a deficient number, since it is larger than the sum of its proper divisors (67898134).

128023466 is a wasteful number, since it uses less digits than its factorization.

128023466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 128023466 is about 11314.7455119415. The cubic root of 128023466 is about 503.9992152713. Note that the first 3 decimals are identical.

The spelling of 128023466 in words is "one hundred twenty-eight million, twenty-three thousand, four hundred sixty-six".