2321042320 has 40 divisors (see below), whose sum is σ = 5400207936. Its totient is φ = 927765888.

The previous prime is 2321042293. The next prime is 2321042333. The reversal of 2321042320 is 232401232.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114039 + ... + 132841.

Almost surely, 2^2321042320 is an apocalyptic number.

2321042320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321042320 is an abundant number, since it is smaller than the sum of its proper divisors (3079165616).

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

2321042320 is a wasteful number, since it uses less digits than its factorization.

2321042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20359 (or 20353 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2321042320 is about 48177.1970957215. The cubic root of 2321042320 is about 1324.0194135579.

Adding to 2321042320 its reverse (232401232), we get a palindrome (2553443552).

The spelling of 2321042320 in words is "two billion, three hundred twenty-one million, forty-two thousand, three hundred twenty".