23121011213233 has 8 divisors (see below), whose sum is σ = 23548900291200. Its totient is φ = 22694322386448.

The previous prime is 23121011213221. The next prime is 23121011213327. The reversal of 23121011213233 is 33231211012132.

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 23121011213233 - 2¹⁷ = 23121011082161 is a prime.

It is a super-2 number, since 2×23121011213233² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121011213198 and 23121011213207.

It is not an unprimeable number, because it can be changed into a prime (23121011213203) 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, 300023913 + ... + 300100966.

It is an arithmetic number, because the mean of its divisors is an integer number (2943612536400).

Almost surely, 2^{23121011213233} is an apocalyptic number.

It is an amenable number.

23121011213233 is a deficient number, since it is larger than the sum of its proper divisors (427889077967).

23121011213233 is an equidigital number, since it uses as much as digits as its factorization.

23121011213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600125591.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23121011213233 its reverse (33231211012132), we get a palindrome (56352222225365).

The spelling of 23121011213233 in words is "twenty-three trillion, one hundred twenty-one billion, eleven million, two hundred thirteen thousand, two hundred thirty-three".