240343142321 has 8 divisors (see below), whose sum is σ = 248103957504. Its totient is φ = 232582815360.

The previous prime is 240343142267. The next prime is 240343142353. The reversal of 240343142321 is 123241343042.

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 240343142321 - 2³⁰ = 239269400497 is a prime.

It is a super-2 number, since 2×240343142321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240343142371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060376 + ... + 1266918.

It is an arithmetic number, because the mean of its divisors is an integer number (31012994688).

Almost surely, 2^240343142321 is an apocalyptic number.

It is an amenable number.

240343142321 is a deficient number, since it is larger than the sum of its proper divisors (7760815183).

240343142321 is a wasteful number, since it uses less digits than its factorization.

240343142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244111.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 240343142321 its reverse (123241343042), we get a palindrome (363584485363).

The spelling of 240343142321 in words is "two hundred forty billion, three hundred forty-three million, one hundred forty-two thousand, three hundred twenty-one".