20223432043 has 6 divisors (see below), whose sum is σ = 20312966276. Its totient is φ = 20134290732.

The previous prime is 20223432037. The next prime is 20223432071. The reversal of 20223432043 is 34023432202.

It is not a de Polignac number, because 20223432043 - 2²⁹ = 19686561131 is a prime.

It is a super-4 number, since 4×20223432043⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223431999 and 20223432017.

It is not an unprimeable number, because it can be changed into a prime (20223432343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144705 + ... + 247762.

Almost surely, 2^20223432043 is an apocalyptic number.

20223432043 is a deficient number, since it is larger than the sum of its proper divisors (89534233).

20223432043 is an frugal number, since it uses more digits than its factorization.

20223432043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392921 (or 392694 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20223432043 its reverse (34023432202), we get a palindrome (54246864245).

The spelling of 20223432043 in words is "twenty billion, two hundred twenty-three million, four hundred thirty-two thousand, forty-three".