2321540252443 has 8 divisors (see below), whose sum is σ = 2334700385280. Its totient is φ = 2308382238120.

The previous prime is 2321540252429. The next prime is 2321540252497. The reversal of 2321540252443 is 3442520451232.

It is a happy number.

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 2321540252443 - 2²⁹ = 2321003381531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321540256443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694646 + ... + 2741332.

It is an arithmetic number, because the mean of its divisors is an integer number (291837548160).

Almost surely, 2^{2321540252443} is an apocalyptic number.

2321540252443 is a deficient number, since it is larger than the sum of its proper divisors (13160132837).

2321540252443 is a wasteful number, since it uses less digits than its factorization.

2321540252443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059257.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 2321540252443 in words is "two trillion, three hundred twenty-one billion, five hundred forty million, two hundred fifty-two thousand, four hundred forty-three".