240343213023 has 24 divisors (see below), whose sum is σ = 348606580608. Its totient is φ = 159562709712.

The previous prime is 240343213009. The next prime is 240343213081. The reversal of 240343213023 is 320312343042.

240343213023 is a `hidden beast` number, since 2 + 4 + 0 + 34 + 321 + 302 + 3 = 666.

It is not a de Polignac number, because 240343213023 - 2¹⁸ = 240342950879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240343213093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7243036 + ... + 7276142.

It is an arithmetic number, because the mean of its divisors is an integer number (14525274192).

Almost surely, 2^240343213023 is an apocalyptic number.

240343213023 is a deficient number, since it is larger than the sum of its proper divisors (108263367585).

240343213023 is a wasteful number, since it uses less digits than its factorization.

240343213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36443 (or 36440 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 240343213023 its reverse (320312343042), we get a palindrome (560655556065).

The spelling of 240343213023 in words is "two hundred forty billion, three hundred forty-three million, two hundred thirteen thousand, twenty-three".