2303353140 has 96 divisors (see below), whose sum is σ = 7076716416. Its totient is φ = 555133440.

The previous prime is 2303353133. The next prime is 2303353181. The reversal of 2303353140 is 413533032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2303353140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104094 + ... + 124266.

It is an arithmetic number, because the mean of its divisors is an integer number (73715796).

Almost surely, 2^2303353140 is an apocalyptic number.

2303353140 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 2303353140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3538358208).

2303353140 is an abundant number, since it is smaller than the sum of its proper divisors (4773363276).

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

2303353140 is a wasteful number, since it uses less digits than its factorization.

2303353140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20369 (or 20367 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 2303353140 is about 47993.2614019927. The cubic root of 2303353140 is about 1320.6472835522.

Adding to 2303353140 its reverse (413533032), we get a palindrome (2716886172).

The spelling of 2303353140 in words is "two billion, three hundred three million, three hundred fifty-three thousand, one hundred forty".