2303149128 has 32 divisors (see below), whose sum is σ = 6580426560. Its totient is φ = 658042560.

The previous prime is 2303149127. The next prime is 2303149139. The reversal of 2303149128 is 8219413032.

It is not an unprimeable number, because it can be changed into a prime (2303149127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6854443 + ... + 6854778.

It is an arithmetic number, because the mean of its divisors is an integer number (205638330).

Almost surely, 2^2303149128 is an apocalyptic number.

2303149128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2303149128 is an abundant number, since it is smaller than the sum of its proper divisors (4277277432).

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

2303149128 is a wasteful number, since it uses less digits than its factorization.

2303149128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13709237 (or 13709233 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2303149128 is about 47991.1359315447. The cubic root of 2303149128 is about 1320.6082917241.

The spelling of 2303149128 in words is "two billion, three hundred three million, one hundred forty-nine thousand, one hundred twenty-eight".