123021122023 has 16 divisors (see below), whose sum is σ = 124938205920. Its totient is φ = 121120272000.

The previous prime is 123021121997. The next prime is 123021122033. The reversal of 123021122023 is 320221120321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123021122023 is a prime.

It is a super-2 number, since 2×123021122023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021122033) 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 15 ways as a sum of consecutive naturals, for example, 15566373 + ... + 15574273.

It is an arithmetic number, because the mean of its divisors is an integer number (7808637870).

Almost surely, 2^123021122023 is an apocalyptic number.

123021122023 is a deficient number, since it is larger than the sum of its proper divisors (1917083897).

123021122023 is a wasteful number, since it uses less digits than its factorization.

123021122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123021122023 its reverse (320221120321), we get a palindrome (443242242344).

The spelling of 123021122023 in words is "one hundred twenty-three billion, twenty-one million, one hundred twenty-two thousand, twenty-three".