1223053003243 has 4 divisors (see below), whose sum is σ = 1287424213960. Its totient is φ = 1158681792528.

The previous prime is 1223053003229. The next prime is 1223053003303. The reversal of 1223053003243 is 3423003503221.

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 1223053003243 - 2³⁷ = 1085614049771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223053003643) 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, 32185605330 + ... + 32185605367.

It is an arithmetic number, because the mean of its divisors is an integer number (321856053490).

Almost surely, 2^{1223053003243} is an apocalyptic number.

1223053003243 is a deficient number, since it is larger than the sum of its proper divisors (64371210717).

1223053003243 is an equidigital number, since it uses as much as digits as its factorization.

1223053003243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64371210716.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 1223053003243 its reverse (3423003503221), we get a palindrome (4646056506464).

The spelling of 1223053003243 in words is "one trillion, two hundred twenty-three billion, fifty-three million, three thousand, two hundred forty-three".