23123110121 has 8 divisors (see below), whose sum is σ = 23841479904. Its totient is φ = 22412950560.

The previous prime is 23123110081. The next prime is 23123110123. The reversal of 23123110121 is 12101132132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23123110121 - 2⁶ = 23123110057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23123110121.

It is not an unprimeable number, because it can be changed into a prime (23123110123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046836 + ... + 2058101.

It is an arithmetic number, because the mean of its divisors is an integer number (2980184988).

Almost surely, 2^23123110121 is an apocalyptic number.

It is an amenable number.

23123110121 is a deficient number, since it is larger than the sum of its proper divisors (718369783).

23123110121 is a wasteful number, since it uses less digits than its factorization.

23123110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105111.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23123110121 its reverse (12101132132), we get a palindrome (35224242253).

The spelling of 23123110121 in words is "twenty-three billion, one hundred twenty-three million, one hundred ten thousand, one hundred twenty-one".