2321660243 has 8 divisors (see below), whose sum is σ = 2656604160. Its totient is φ = 1987535880.

The previous prime is 2321660197. The next prime is 2321660249. The reversal of 2321660243 is 3420661232.

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

It is a cyclic number.

It is not a de Polignac number, because 2321660243 - 2¹⁴ = 2321643859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321660249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198803 + ... + 210156.

It is an arithmetic number, because the mean of its divisors is an integer number (332075520).

Almost surely, 2^2321660243 is an apocalyptic number.

2321660243 is a deficient number, since it is larger than the sum of its proper divisors (334943917).

2321660243 is an equidigital number, since it uses as much as digits as its factorization.

2321660243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409777.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2321660243 is about 48183.6096925085. The cubic root of 2321660243 is about 1324.1368994891.

The spelling of 2321660243 in words is "two billion, three hundred twenty-one million, six hundred sixty thousand, two hundred forty-three".