128923848 has 48 divisors (see below), whose sum is σ = 349696620. Its totient is φ = 42909696.

The previous prime is 128923843. The next prime is 128923853. The reversal of 128923848 is 848329821.

It is an interprime number because it is at equal distance from previous prime (128923843) and next prime (128923853).

It can be written as a sum of positive squares in 2 ways, for example, as 128187684 + 736164 = 11322^2 + 858^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (128923841) 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, 82240 + ... + 83792.

Almost surely, 2^128923848 is an apocalyptic number.

128923848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

128923848 is an abundant number, since it is smaller than the sum of its proper divisors (220772772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128923848 is a wasteful number, since it uses less digits than its factorization.

128923848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718 (or 2711 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 128923848 is about 11354.4637918309. The cubic root of 128923848 is about 505.1779890847.

The spelling of 128923848 in words is "one hundred twenty-eight million, nine hundred twenty-three thousand, eight hundred forty-eight".