20423033043 has 16 divisors (see below), whose sum is σ = 31133093376. Its totient is φ = 11665699200.

The previous prime is 20423032963. The next prime is 20423033069. The reversal of 20423033043 is 34033032402.

It is not a de Polignac number, because 20423033043 - 2⁸ = 20423032787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20423033243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137046 + ... + 244187.

It is an arithmetic number, because the mean of its divisors is an integer number (1945818336).

Almost surely, 2^20423033043 is an apocalyptic number.

20423033043 is a deficient number, since it is larger than the sum of its proper divisors (10710060333).

20423033043 is a wasteful number, since it uses less digits than its factorization.

20423033043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383794.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20423033043 its reverse (34033032402), we get a palindrome (54456065445).

The spelling of 20423033043 in words is "twenty billion, four hundred twenty-three million, thirty-three thousand, forty-three".