2303115140 has 24 divisors (see below), whose sum is σ = 4954507992. Its totient is φ = 898776320.

The previous prime is 2303115121. The next prime is 2303115149. The reversal of 2303115140 is 415113032.

It can be written as a sum of positive squares in 4 ways, for example, as 46485124 + 2256630016 = 6818^2 + 47504^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2303115149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403519 + ... + 1405158.

It is an arithmetic number, because the mean of its divisors is an integer number (206437833).

Almost surely, 2^2303115140 is an apocalyptic number.

2303115140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303115140 is an abundant number, since it is smaller than the sum of its proper divisors (2651392852).

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

2303115140 is a wasteful number, since it uses less digits than its factorization.

2303115140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808727 (or 2808725 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2303115140 is about 47990.7818231793. The cubic root of 2303115140 is about 1320.6017955381.

Adding to 2303115140 its reverse (415113032), we get a palindrome (2718228172).

The spelling of 2303115140 in words is "two billion, three hundred three million, one hundred fifteen thousand, one hundred forty".