240023431323223 has 2 divisors, whose sum is σ = 240023431323224. Its totient is φ = 240023431323222.

The previous prime is 240023431323149. The next prime is 240023431323311. The reversal of 240023431323223 is 322323134320042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240023431323223 - 2¹⁷ = 240023431192151 is a prime.

It is a super-2 number, since 2×240023431323223² (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 (240023431324223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120011715661611 + 120011715661612.

It is an arithmetic number, because the mean of its divisors is an integer number (120011715661612).

Almost surely, 2^{240023431323223} is an apocalyptic number.

240023431323223 is a deficient number, since it is larger than the sum of its proper divisors (1).

240023431323223 is an equidigital number, since it uses as much as digits as its factorization.

240023431323223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 240023431323223 its reverse (322323134320042), we get a palindrome (562346565643265).

The spelling of 240023431323223 in words is "two hundred forty trillion, twenty-three billion, four hundred thirty-one million, three hundred twenty-three thousand, two hundred twenty-three".