2303043440320 has 112 divisors (see below), whose sum is σ = 6268041116928. Its totient is φ = 789555317760.

The previous prime is 2303043440273. The next prime is 2303043440351. The reversal of 2303043440320 is 230443403032.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37966815 + ... + 38027425.

Almost surely, 2^{2303043440320} is an apocalyptic number.

2303043440320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303043440320 is an abundant number, since it is smaller than the sum of its proper divisors (3964997676608).

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

2303043440320 is a wasteful number, since it uses less digits than its factorization.

2303043440320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77598 (or 77588 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 2303043440320 its reverse (230443403032), we get a palindrome (2533486843352).

The spelling of 2303043440320 in words is "two trillion, three hundred three billion, forty-three million, four hundred forty thousand, three hundred twenty".