1240334242323 has 16 divisors (see below), whose sum is σ = 1866333657600. Its totient is φ = 725796421280.

The previous prime is 1240334242321. The next prime is 1240334242327. The reversal of 1240334242323 is 3232424330421.

It is a cyclic number.

It is not a de Polignac number, because 1240334242323 - 2¹ = 1240334242321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1240334242321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648031563 + ... + 648033476.

It is an arithmetic number, because the mean of its divisors is an integer number (116645853600).

Almost surely, 2^{1240334242323} is an apocalyptic number.

1240334242323 is a deficient number, since it is larger than the sum of its proper divisors (625999415277).

1240334242323 is a wasteful number, since it uses less digits than its factorization.

1240334242323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296065082.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 1240334242323 its reverse (3232424330421), we get a palindrome (4472758572744).

The spelling of 1240334242323 in words is "one trillion, two hundred forty billion, three hundred thirty-four million, two hundred forty-two thousand, three hundred twenty-three".