20431334023 has 8 divisors (see below), whose sum is σ = 20780876160. Its totient is φ = 20081900280.

The previous prime is 20431334017. The next prime is 20431334089. The reversal of 20431334023 is 32043313402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20431334023 - 2¹⁷ = 20431202951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20431334093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413886 + ... + 460612.

It is an arithmetic number, because the mean of its divisors is an integer number (2597609520).

Almost surely, 2^20431334023 is an apocalyptic number.

20431334023 is a deficient number, since it is larger than the sum of its proper divisors (349542137).

20431334023 is an equidigital number, since it uses as much as digits as its factorization.

20431334023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54197.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20431334023 its reverse (32043313402), we get a palindrome (52474647425).

The spelling of 20431334023 in words is "twenty billion, four hundred thirty-one million, three hundred thirty-four thousand, twenty-three".