23121242133 has 8 divisors (see below), whose sum is σ = 33630897696. Its totient is φ = 14012874000.

The previous prime is 23121242117. The next prime is 23121242141. The reversal of 23121242133 is 33124212132.

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

It is not a de Polignac number, because 23121242133 - 2⁴ = 23121242117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121242143) 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, 350321818 + ... + 350321883.

It is an arithmetic number, because the mean of its divisors is an integer number (4203862212).

Almost surely, 2^23121242133 is an apocalyptic number.

It is an amenable number.

23121242133 is a deficient number, since it is larger than the sum of its proper divisors (10509655563).

23121242133 is a wasteful number, since it uses less digits than its factorization.

23121242133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700643715.

The product of its digits is 1728, while the sum is 24.

Adding to 23121242133 its reverse (33124212132), we get a palindrome (56245454265).

The spelling of 23121242133 in words is "twenty-three billion, one hundred twenty-one million, two hundred forty-two thousand, one hundred thirty-three".