20423303122 has 8 divisors (see below), whose sum is σ = 30938271372. Its totient is φ = 10110546000.

The previous prime is 20423303111. The next prime is 20423303143. The reversal of 20423303122 is 22130332402.

It can be written as a sum of positive squares in 2 ways, for example, as 18133584921 + 2289718201 = 134661^2 + 47851^2 .

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

It is a super-2 number, since 2×20423303122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20423303093 and 20423303102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50552529 + ... + 50552932.

Almost surely, 2^20423303122 is an apocalyptic number.

20423303122 is a deficient number, since it is larger than the sum of its proper divisors (10514968250).

20423303122 is a wasteful number, since it uses less digits than its factorization.

20423303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101105564.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20423303122 its reverse (22130332402), we get a palindrome (42553635524).

The spelling of 20423303122 in words is "twenty billion, four hundred twenty-three million, three hundred three thousand, one hundred twenty-two".