23123121101 has 8 divisors (see below), whose sum is σ = 23268760704. Its totient is φ = 22977567280.

The previous prime is 23123121089. The next prime is 23123121127. The reversal of 23123121101 is 10112132132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23123121101 is a prime.

It is a super-2 number, since 2×23123121101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23123121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123121181) 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, 570416 + ... + 609606.

It is an arithmetic number, because the mean of its divisors is an integer number (2908595088).

Almost surely, 2^23123121101 is an apocalyptic number.

It is an amenable number.

23123121101 is a deficient number, since it is larger than the sum of its proper divisors (145639603).

23123121101 is a wasteful number, since it uses less digits than its factorization.

23123121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42891.

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

Adding to 23123121101 its reverse (10112132132), we get a palindrome (33235253233).

The spelling of 23123121101 in words is "twenty-three billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred one".