23044335121 has 4 divisors (see below), whose sum is σ = 23160136000. Its totient is φ = 22928534244.

The previous prime is 23044335113. The next prime is 23044335131. The reversal of 23044335121 is 12153344032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23044335121 - 2³ = 23044335113 is a prime.

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 23044335121.

It is not an unprimeable number, because it can be changed into a prime (23044335131) 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, 57900141 + ... + 57900538.

It is an arithmetic number, because the mean of its divisors is an integer number (5790034000).

Almost surely, 2^23044335121 is an apocalyptic number.

It is an amenable number.

23044335121 is a deficient number, since it is larger than the sum of its proper divisors (115800879).

23044335121 is a wasteful number, since it uses less digits than its factorization.

23044335121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115800878.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 23044335121 its reverse (12153344032), we get a palindrome (35197679153).

The spelling of 23044335121 in words is "twenty-three billion, forty-four million, three hundred thirty-five thousand, one hundred twenty-one".