23121124471 has 4 divisors (see below), whose sum is σ = 23122415200. Its totient is φ = 23119833744.

The previous prime is 23121124441. The next prime is 23121124483. The reversal of 23121124471 is 17442112132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23121124471 - 2⁷ = 23121124343 is a prime.

It is a super-3 number, since 3×23121124471³ (a number of 32 digits) contains 333 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 (23121124441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618111 + ... + 654448.

It is an arithmetic number, because the mean of its divisors is an integer number (5780603800).

Almost surely, 2^23121124471 is an apocalyptic number.

23121124471 is a deficient number, since it is larger than the sum of its proper divisors (1290729).

23121124471 is a wasteful number, since it uses less digits than its factorization.

23121124471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290728.

The product of its digits is 2688, while the sum is 28.

The spelling of 23121124471 in words is "twenty-three billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred seventy-one".