23133320121 has 8 divisors (see below), whose sum is σ = 32185488960. Its totient is φ = 14751682352.

The previous prime is 23133320113. The next prime is 23133320131. The reversal of 23133320121 is 12102333132.

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 23133320121 - 2³ = 23133320113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23133320131) 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, 167632686 + ... + 167632823.

It is an arithmetic number, because the mean of its divisors is an integer number (4023186120).

Almost surely, 2^23133320121 is an apocalyptic number.

It is an amenable number.

23133320121 is a deficient number, since it is larger than the sum of its proper divisors (9052168839).

23133320121 is a wasteful number, since it uses less digits than its factorization.

23133320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335265535.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23133320121 its reverse (12102333132), we get a palindrome (35235653253).

The spelling of 23133320121 in words is "twenty-three billion, one hundred thirty-three million, three hundred twenty thousand, one hundred twenty-one".