20302143323 has 8 divisors (see below), whose sum is σ = 25311763200. Its totient is φ = 15819851880.

The previous prime is 20302143317. The next prime is 20302143341. The reversal of 20302143323 is 32334120302.

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

It is not a de Polignac number, because 20302143323 - 2⁶ = 20302143259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302143313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131832023 + ... + 131832176.

It is an arithmetic number, because the mean of its divisors is an integer number (3163970400).

Almost surely, 2^20302143323 is an apocalyptic number.

20302143323 is a deficient number, since it is larger than the sum of its proper divisors (5009619877).

20302143323 is a wasteful number, since it uses less digits than its factorization.

20302143323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263664217.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20302143323 its reverse (32334120302), we get a palindrome (52636263625).

The spelling of 20302143323 in words is "twenty billion, three hundred two million, one hundred forty-three thousand, three hundred twenty-three".