2343533721 has 8 divisors (see below), whose sum is σ = 3132871680. Its totient is φ = 1558275792.

The previous prime is 2343533711. The next prime is 2343533729. The reversal of 2343533721 is 1273353432.

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

It is not a de Polignac number, because 2343533721 - 2⁷ = 2343533593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2343533729) 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, 1018666 + ... + 1020963.

It is an arithmetic number, because the mean of its divisors is an integer number (391608960).

Almost surely, 2^2343533721 is an apocalyptic number.

It is an amenable number.

2343533721 is a deficient number, since it is larger than the sum of its proper divisors (789337959).

2343533721 is a wasteful number, since it uses less digits than its factorization.

2343533721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040015.

The product of its digits is 45360, while the sum is 33.

The square root of 2343533721 is about 48410.0580561519. The cubic root of 2343533721 is about 1328.2823514245.

The spelling of 2343533721 in words is "two billion, three hundred forty-three million, five hundred thirty-three thousand, seven hundred twenty-one".