20243233230043 has 4 divisors (see below), whose sum is σ = 21308666557960. Its totient is φ = 19177799902128.

The previous prime is 20243233230007. The next prime is 20243233230071. The reversal of 20243233230043 is 34003233234202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20243233230043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20243233229987 and 20243233230014.

It is not an unprimeable number, because it can be changed into a prime (20243233930043) 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, 532716663930 + ... + 532716663967.

It is an arithmetic number, because the mean of its divisors is an integer number (5327166639490).

Almost surely, 2^{20243233230043} is an apocalyptic number.

20243233230043 is a deficient number, since it is larger than the sum of its proper divisors (1065433327917).

20243233230043 is a wasteful number, since it uses less digits than its factorization.

20243233230043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065433327916.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 20243233230043 its reverse (34003233234202), we get a palindrome (54246466464245).

The spelling of 20243233230043 in words is "twenty trillion, two hundred forty-three billion, two hundred thirty-three million, two hundred thirty thousand, forty-three".