240412333213243 has 4 divisors (see below), whose sum is σ = 240947772708600. Its totient is φ = 239876893717888.

The previous prime is 240412333213237. The next prime is 240412333213271. The reversal of 240412333213243 is 342312333214042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240412333213243 - 2²¹ = 240412331116091 is a prime.

It is a super-2 number, since 2×240412333213243² (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 (240412333813243) 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, 267719747005 + ... + 267719747902.

It is an arithmetic number, because the mean of its divisors is an integer number (60236943177150).

Almost surely, 2^{240412333213243} is an apocalyptic number.

240412333213243 is a deficient number, since it is larger than the sum of its proper divisors (535439495357).

240412333213243 is an equidigital number, since it uses as much as digits as its factorization.

240412333213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535439495356.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 240412333213243 its reverse (342312333214042), we get a palindrome (582724666427285).

The spelling of 240412333213243 in words is "two hundred forty trillion, four hundred twelve billion, three hundred thirty-three million, two hundred thirteen thousand, two hundred forty-three".