1240330042303 has 4 divisors (see below), whose sum is σ = 1353087318888. Its totient is φ = 1127572765720.

The previous prime is 1240330042277. The next prime is 1240330042307. The reversal of 1240330042303 is 3032400330421.

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 1240330042303 - 2⁹ = 1240330041791 is a prime.

It is a super-2 number, since 2×1240330042303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240330042307) 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, 56378638276 + ... + 56378638297.

It is an arithmetic number, because the mean of its divisors is an integer number (338271829722).

Almost surely, 2^{1240330042303} is an apocalyptic number.

1240330042303 is a deficient number, since it is larger than the sum of its proper divisors (112757276585).

1240330042303 is a wasteful number, since it uses less digits than its factorization.

1240330042303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112757276584.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1240330042303 its reverse (3032400330421), we get a palindrome (4272730372724).

The spelling of 1240330042303 in words is "one trillion, two hundred forty billion, three hundred thirty million, forty-two thousand, three hundred three".