20032222123 has 2 divisors, whose sum is σ = 20032222124. Its totient is φ = 20032222122.

The previous prime is 20032222097. The next prime is 20032222157. The reversal of 20032222123 is 32122223002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20032222123 - 2²¹ = 20030124971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20032222123.

It is not a weakly prime, because it can be changed into another prime (20032222183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016111061 + 10016111062.

It is an arithmetic number, because the mean of its divisors is an integer number (10016111062).

Almost surely, 2^20032222123 is an apocalyptic number.

20032222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032222123 is an equidigital number, since it uses as much as digits as its factorization.

20032222123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20032222123 its reverse (32122223002), we get a palindrome (52154445125).

The spelling of 20032222123 in words is "twenty billion, thirty-two million, two hundred twenty-two thousand, one hundred twenty-three".