2303421320000 has 70 divisors (see below), whose sum is σ = 5711736360858. Its totient is φ = 921368512000.

The previous prime is 2303421319993. The next prime is 2303421320023. The reversal of 2303421320000 is 231243032.

It can be written as a sum of positive squares in 5 ways, for example, as 1080751526464 + 1222669793536 = 1039592^2 + 1105744^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28752767 + ... + 28832766.

Almost surely, 2^{2303421320000} is an apocalyptic number.

2303421320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303421320000 is an abundant number, since it is smaller than the sum of its proper divisors (3408315040858).

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

2303421320000 is an frugal number, since it uses more digits than its factorization.

2303421320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57585565 (or 57585540 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2303421320000 its reverse (231243032), we get a palindrome (2303652563032).

The spelling of 2303421320000 in words is "two trillion, three hundred three billion, four hundred twenty-one million, three hundred twenty thousand".