240023431323311 has 2 divisors, whose sum is σ = 240023431323312. Its totient is φ = 240023431323310.

The previous prime is 240023431323223. The next prime is 240023431323359. The reversal of 240023431323311 is 113323134320042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240023431323311 - 2¹⁴ = 240023431306927 is a prime.

It is a super-2 number, since 2×240023431323311² (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 (240023431323911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120011715661655 + 120011715661656.

It is an arithmetic number, because the mean of its divisors is an integer number (120011715661656).

Almost surely, 2^{240023431323311} is an apocalyptic number.

240023431323311 is a deficient number, since it is larger than the sum of its proper divisors (1).

240023431323311 is an equidigital number, since it uses as much as digits as its factorization.

240023431323311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 240023431323311 its reverse (113323134320042), we get a palindrome (353346565643353).

The spelling of 240023431323311 in words is "two hundred forty trillion, twenty-three billion, four hundred thirty-one million, three hundred twenty-three thousand, three hundred eleven".