1235440242443 has 8 divisors (see below), whose sum is σ = 1347776243760. Its totient is φ = 1123108116480.

The previous prime is 1235440242431. The next prime is 1235440242479. The reversal of 1235440242443 is 3442420445321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1235440242443 - 2⁸ = 1235440242187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1235440242397 and 1235440242406.

It is not an unprimeable number, because it can be changed into a prime (1235440202443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281030 + ... + 1596827.

It is an arithmetic number, because the mean of its divisors is an integer number (168472030470).

Almost surely, 2^{1235440242443} is an apocalyptic number.

1235440242443 is a deficient number, since it is larger than the sum of its proper divisors (112336001317).

1235440242443 is a wasteful number, since it uses less digits than its factorization.

1235440242443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937677.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 1235440242443 its reverse (3442420445321), we get a palindrome (4677860687764).

The spelling of 1235440242443 in words is "one trillion, two hundred thirty-five billion, four hundred forty million, two hundred forty-two thousand, four hundred forty-three".