2321430521 has 8 divisors (see below), whose sum is σ = 2364415200. Its totient is φ = 2278821600.

The previous prime is 2321430511. The next prime is 2321430547. The reversal of 2321430521 is 1250341232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2321430521 - 2³⁰ = 1247688697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321430511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81455 + ... + 106196.

It is an arithmetic number, because the mean of its divisors is an integer number (295551900).

Almost surely, 2^2321430521 is an apocalyptic number.

It is an amenable number.

2321430521 is a deficient number, since it is larger than the sum of its proper divisors (42984679).

2321430521 is a wasteful number, since it uses less digits than its factorization.

2321430521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187879.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2321430521 is about 48181.2258146262. The cubic root of 2321430521 is about 1324.0932247939.

Adding to 2321430521 its reverse (1250341232), we get a palindrome (3571771753).

It can be divided in two parts, 23214 and 30521, that added together give a palindrome (53735).

The spelling of 2321430521 in words is "two billion, three hundred twenty-one million, four hundred thirty thousand, five hundred twenty-one".