23201123122 has 32 divisors (see below), whose sum is σ = 35649379584. Its totient is φ = 11321856000.

The previous prime is 23201123111. The next prime is 23201123123. The reversal of 23201123122 is 22132110232.

It is a super-2 number, since 2×23201123122² (a number of 22 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 23201123122.

It is not an unprimeable number, because it can be changed into a prime (23201123123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709618 + ... + 6713074.

It is an arithmetic number, because the mean of its divisors is an integer number (1114043112).

Almost surely, 2^23201123122 is an apocalyptic number.

23201123122 is a deficient number, since it is larger than the sum of its proper divisors (12448256462).

23201123122 is a wasteful number, since it uses less digits than its factorization.

23201123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994.

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

Adding to 23201123122 its reverse (22132110232), we get a palindrome (45333233354).

The spelling of 23201123122 in words is "twenty-three billion, two hundred one million, one hundred twenty-three thousand, one hundred twenty-two".