240323321204231 has 2 divisors, whose sum is σ = 240323321204232. Its totient is φ = 240323321204230.

The previous prime is 240323321204227. The next prime is 240323321204251. The reversal of 240323321204231 is 132402123323042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240323321204231 - 2² = 240323321204227 is a prime.

It is a super-2 number, since 2×240323321204231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240323321204251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120161660602115 + 120161660602116.

It is an arithmetic number, because the mean of its divisors is an integer number (120161660602116).

Almost surely, 2^{240323321204231} is an apocalyptic number.

240323321204231 is a deficient number, since it is larger than the sum of its proper divisors (1).

240323321204231 is an equidigital number, since it uses as much as digits as its factorization.

240323321204231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 240323321204231 its reverse (132402123323042), we get a palindrome (372725444527273).

The spelling of 240323321204231 in words is "two hundred forty trillion, three hundred twenty-three billion, three hundred twenty-one million, two hundred four thousand, two hundred thirty-one".