22123020023 has 16 divisors (see below), whose sum is σ = 25257558816. Its totient is φ = 19196144640.

The previous prime is 22123020013. The next prime is 22123020239. The reversal of 22123020023 is 32002032122.

It is a cyclic number.

It is not a de Polignac number, because 22123020023 - 2¹² = 22123015927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22123019983 and 22123020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123020013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117515 + ... + 240947.

It is an arithmetic number, because the mean of its divisors is an integer number (1578597426).

Almost surely, 2^22123020023 is an apocalyptic number.

22123020023 is a deficient number, since it is larger than the sum of its proper divisors (3134538793).

22123020023 is a wasteful number, since it uses less digits than its factorization.

22123020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124274.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22123020023 its reverse (32002032122), we get a palindrome (54125052145).

The spelling of 22123020023 in words is "twenty-two billion, one hundred twenty-three million, twenty thousand, twenty-three".