20433422323 has 16 divisors (see below), whose sum is σ = 21928997376. Its totient is φ = 18971902080.

The previous prime is 20433422299. The next prime is 20433422371. The reversal of 20433422323 is 32322433402.

It is a de Polignac number, because none of the positive numbers 2^k-20433422323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20433422291 and 20433422300.

It is not an unprimeable number, because it can be changed into a prime (20433422423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438328 + ... + 482698.

It is an arithmetic number, because the mean of its divisors is an integer number (1370562336).

Almost surely, 2^20433422323 is an apocalyptic number.

20433422323 is a deficient number, since it is larger than the sum of its proper divisors (1495575053).

20433422323 is a wasteful number, since it uses less digits than its factorization.

20433422323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44754.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20433422323 its reverse (32322433402), we get a palindrome (52755855725).

The spelling of 20433422323 in words is "twenty billion, four hundred thirty-three million, four hundred twenty-two thousand, three hundred twenty-three".