240012320324321 has 4 divisors (see below), whose sum is σ = 240012633761472. Its totient is φ = 240012006887172.

The previous prime is 240012320324233. The next prime is 240012320324323. The reversal of 240012320324321 is 123423023210042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240012320324321 - 2⁴⁶ = 169643576146657 is a prime.

It is a super-2 number, since 2×240012320324321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240012320324323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155567141 + ... + 157102386.

It is an arithmetic number, because the mean of its divisors is an integer number (60003158440368).

Almost surely, 2^{240012320324321} is an apocalyptic number.

It is an amenable number.

240012320324321 is a deficient number, since it is larger than the sum of its proper divisors (313437151).

240012320324321 is an equidigital number, since it uses as much as digits as its factorization.

240012320324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313437150.

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

Adding to 240012320324321 its reverse (123423023210042), we get a palindrome (363435343534363).

The spelling of 240012320324321 in words is "two hundred forty trillion, twelve billion, three hundred twenty million, three hundred twenty-four thousand, three hundred twenty-one".