20423344333 has 8 divisors (see below), whose sum is σ = 23484162368. Its totient is φ = 17398325664.

The previous prime is 20423344313. The next prime is 20423344343. The reversal of 20423344333 is 33344332402.

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 20423344333 - 2⁵ = 20423344301 is a prime.

It is a super-2 number, since 2×20423344333² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20423344295 and 20423344304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423344313) 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, 8948616 + ... + 8950897.

It is an arithmetic number, because the mean of its divisors is an integer number (2935520296).

Almost surely, 2^20423344333 is an apocalyptic number.

It is an amenable number.

20423344333 is a deficient number, since it is larger than the sum of its proper divisors (3060818035).

20423344333 is a wasteful number, since it uses less digits than its factorization.

20423344333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17899683.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 20423344333 its reverse (33344332402), we get a palindrome (53767676735).

The spelling of 20423344333 in words is "twenty billion, four hundred twenty-three million, three hundred forty-four thousand, three hundred thirty-three".