1163240023243 has 4 divisors (see below), whose sum is σ = 1163247291640. Its totient is φ = 1163232754848.

The previous prime is 1163240023241. The next prime is 1163240023249. The reversal of 1163240023243 is 3423200423611.

It is a happy number.

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 1163240023243 - 2¹ = 1163240023241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163240023241) 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, 3388605 + ... + 3716062.

It is an arithmetic number, because the mean of its divisors is an integer number (290811822910).

Almost surely, 2^{1163240023243} is an apocalyptic number.

1163240023243 is a deficient number, since it is larger than the sum of its proper divisors (7268397).

1163240023243 is an equidigital number, since it uses as much as digits as its factorization.

1163240023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268396.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1163240023243 its reverse (3423200423611), we get a palindrome (4586440446854).

The spelling of 1163240023243 in words is "one trillion, one hundred sixty-three billion, two hundred forty million, twenty-three thousand, two hundred forty-three".