20432023023 has 4 divisors (see below), whose sum is σ = 27242697368. Its totient is φ = 13621348680.

The previous prime is 20432023013. The next prime is 20432023069. The reversal of 20432023023 is 32032023402.

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

It is not a de Polignac number, because 20432023023 - 2⁶ = 20432022959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432023013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405337168 + ... + 3405337173.

It is an arithmetic number, because the mean of its divisors is an integer number (6810674342).

Almost surely, 2^20432023023 is an apocalyptic number.

20432023023 is a deficient number, since it is larger than the sum of its proper divisors (6810674345).

20432023023 is an equidigital number, since it uses as much as digits as its factorization.

20432023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810674344.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20432023023 its reverse (32032023402), we get a palindrome (52464046425).

The spelling of 20432023023 in words is "twenty billion, four hundred thirty-two million, twenty-three thousand, twenty-three".