20223220101123 has 24 divisors (see below), whose sum is σ = 30915552635568. Its totient is φ = 11712996252672.

The previous prime is 20223220101121. The next prime is 20223220101143. The reversal of 20223220101123 is 32110102232202.

It is not a de Polignac number, because 20223220101123 - 2¹ = 20223220101121 is a prime.

It is a super-2 number, since 2×20223220101123² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20223220101123.

It is not an unprimeable number, because it can be changed into a prime (20223220101121) 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 23 ways as a sum of consecutive naturals, for example, 1173168090 + ... + 1173185327.

It is an arithmetic number, because the mean of its divisors is an integer number (1288148026482).

Almost surely, 2^{20223220101123} is an apocalyptic number.

20223220101123 is a deficient number, since it is larger than the sum of its proper divisors (10692332534445).

20223220101123 is a wasteful number, since it uses less digits than its factorization.

20223220101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346353463 (or 2346353450 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20223220101123 its reverse (32110102232202), we get a palindrome (52333322333325).

The spelling of 20223220101123 in words is "twenty trillion, two hundred twenty-three billion, two hundred twenty million, one hundred one thousand, one hundred twenty-three".