22123120403 has 2 divisors, whose sum is σ = 22123120404. Its totient is φ = 22123120402.

The previous prime is 22123120399. The next prime is 22123120417. The reversal of 22123120403 is 30402132122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22123120403 - 2² = 22123120399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22123123403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061560201 + 11061560202.

It is an arithmetic number, because the mean of its divisors is an integer number (11061560202).

Almost surely, 2^22123120403 is an apocalyptic number.

22123120403 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123120403 is an equidigital number, since it uses as much as digits as its factorization.

22123120403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22123120403 its reverse (30402132122), we get a palindrome (52525252525).

The spelling of 22123120403 in words is "twenty-two billion, one hundred twenty-three million, one hundred twenty thousand, four hundred three".