2321200424 has 8 divisors (see below), whose sum is σ = 4352250810. Its totient is φ = 1160600208.

The previous prime is 2321200403. The next prime is 2321200429. The reversal of 2321200424 is 4240021232.

It can be written as a sum of positive squares in only one way, i.e., 2005427524 + 315772900 = 44782^2 + 17770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2321200396 and 2321200405.

It is not an unprimeable number, because it can be changed into a prime (2321200429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145075019 + ... + 145075034.

Almost surely, 2^2321200424 is an apocalyptic number.

It is an amenable number.

2321200424 is a deficient number, since it is larger than the sum of its proper divisors (2031050386).

2321200424 is a wasteful number, since it uses less digits than its factorization.

2321200424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290150059 (or 290150055 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2321200424 is about 48178.8379270401. The cubic root of 2321200424 is about 1324.0494759154.

Adding to 2321200424 its reverse (4240021232), we get a palindrome (6561221656).

The spelling of 2321200424 in words is "two billion, three hundred twenty-one million, two hundred thousand, four hundred twenty-four".