22321003123 has 2 divisors, whose sum is σ = 22321003124. Its totient is φ = 22321003122.

The previous prime is 22321003109. The next prime is 22321003139. The reversal of 22321003123 is 32130012322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22321003123 - 2⁵ = 22321003091 is a prime.

It is a super-3 number, since 3×22321003123³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321003123.

It is not a weakly prime, because it can be changed into another prime (22321003153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160501561 + 11160501562.

It is an arithmetic number, because the mean of its divisors is an integer number (11160501562).

Almost surely, 2^22321003123 is an apocalyptic number.

22321003123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321003123 is an equidigital number, since it uses as much as digits as its factorization.

22321003123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22321003123 its reverse (32130012322), we get a palindrome (54451015445).

The spelling of 22321003123 in words is "twenty-two billion, three hundred twenty-one million, three thousand, one hundred twenty-three".