2303443128 has 64 divisors (see below), whose sum is σ = 6592296960. Its totient is φ = 657023616.

The previous prime is 2303443091. The next prime is 2303443133. The reversal of 2303443128 is 8213443032.

It is a junction number, because it is equal to n+sod(n) for n = 2303443095 and 2303443104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91801 + ... + 114167.

It is an arithmetic number, because the mean of its divisors is an integer number (103004640).

Almost surely, 2^2303443128 is an apocalyptic number.

2303443128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2303443128 is an abundant number, since it is smaller than the sum of its proper divisors (4288853832).

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

2303443128 is a wasteful number, since it uses less digits than its factorization.

2303443128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22996 (or 22992 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2303443128 is about 47994.1988994503. The cubic root of 2303443128 is about 1320.6644817921.

The spelling of 2303443128 in words is "two billion, three hundred three million, four hundred forty-three thousand, one hundred twenty-eight".