2303453140 has 48 divisors (see below), whose sum is σ = 5087577600. Its totient is φ = 874823040.

The previous prime is 2303453129. The next prime is 2303453143. The reversal of 2303453140 is 413543032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303453143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190 + ... + 67909.

It is an arithmetic number, because the mean of its divisors is an integer number (105991200).

Almost surely, 2^2303453140 is an apocalyptic number.

2303453140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2303453140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2543788800).

2303453140 is an abundant number, since it is smaller than the sum of its proper divisors (2784124460).

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

2303453140 is a wasteful number, since it uses less digits than its factorization.

2303453140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70192 (or 70190 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2303453140 is about 47994.3032036095. The cubic root of 2303453140 is about 1320.6663952282. Note that the first 3 decimals are identical.

Adding to 2303453140 its reverse (413543032), we get a palindrome (2716996172).

The spelling of 2303453140 in words is "two billion, three hundred three million, four hundred fifty-three thousand, one hundred forty".