22123312903 has 4 divisors (see below), whose sum is σ = 22169499840. Its totient is φ = 22077125968.

The previous prime is 22123312879. The next prime is 22123312951. The reversal of 22123312903 is 30921332122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22123312903 - 2²¹ = 22121215751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123112903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23092750 + ... + 23093707.

It is an arithmetic number, because the mean of its divisors is an integer number (5542374960).

Almost surely, 2^22123312903 is an apocalyptic number.

22123312903 is a deficient number, since it is larger than the sum of its proper divisors (46186937).

22123312903 is an equidigital number, since it uses as much as digits as its factorization.

22123312903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46186936.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 22123312903 in words is "twenty-two billion, one hundred twenty-three million, three hundred twelve thousand, nine hundred three".