20423013224323 has 8 divisors (see below), whose sum is σ = 20435165894000. Its totient is φ = 20410862705568.

The previous prime is 20423013224297. The next prime is 20423013224329. The reversal of 20423013224323 is 32342231032402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20423013224323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20423013224329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18661468 + ... + 19725526.

It is an arithmetic number, because the mean of its divisors is an integer number (2554395736750).

Almost surely, 2^{20423013224323} is an apocalyptic number.

20423013224323 is a deficient number, since it is larger than the sum of its proper divisors (12152669677).

20423013224323 is a wasteful number, since it uses less digits than its factorization.

20423013224323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075461.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20423013224323 its reverse (32342231032402), we get a palindrome (52765244256725).

The spelling of 20423013224323 in words is "twenty trillion, four hundred twenty-three billion, thirteen million, two hundred twenty-four thousand, three hundred twenty-three".