2321424024520 has 32 divisors (see below), whose sum is σ = 5223365695800. Its totient is φ = 928540873728.

The previous prime is 2321424024449. The next prime is 2321424024547. The reversal of 2321424024520 is 254204241232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1774495738404 + 546928286116 = 1332102^2 + 739546^2 .

It is a super-2 number, since 2×2321424024520² (a number of 26 digits) contains 22 as substring.

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, 435136 + ... + 2198224.

Almost surely, 2^{2321424024520} is an apocalyptic number.

2321424024520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321424024520 is an abundant number, since it is smaller than the sum of its proper divisors (2901941671280).

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

2321424024520 is a wasteful number, since it uses less digits than its factorization.

2321424024520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796017 (or 1796013 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 2321424024520 its reverse (254204241232), we get a palindrome (2575628265752).

The spelling of 2321424024520 in words is "two trillion, three hundred twenty-one billion, four hundred twenty-four million, twenty-four thousand, five hundred twenty".