2303404313140 has 144 divisors (see below), whose sum is σ = 5724903211776. Its totient is φ = 762570478080.

The previous prime is 2303404313087. The next prime is 2303404313149. The reversal of 2303404313140 is 413134043032.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2303404313099 and 2303404313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303404313149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61466049 + ... + 61503511.

It is an arithmetic number, because the mean of its divisors is an integer number (39756272304).

Almost surely, 2^{2303404313140} is an apocalyptic number.

2303404313140 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 2303404313140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2862451605888).

2303404313140 is an abundant number, since it is smaller than the sum of its proper divisors (3421498898636).

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

2303404313140 is a wasteful number, since it uses less digits than its factorization.

2303404313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37998 (or 37965 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2303404313140 its reverse (413134043032), we get a palindrome (2716538356172).

The spelling of 2303404313140 in words is "two trillion, three hundred three billion, four hundred four million, three hundred thirteen thousand, one hundred forty".