23001331220033 has 4 divisors (see below), whose sum is σ = 23001428755200. Its totient is φ = 23001233684868.

The previous prime is 23001331220009. The next prime is 23001331220041. The reversal of 23001331220033 is 33002213310032.

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 23001331220033 - 2¹⁶ = 23001331154497 is a prime.

It is a super-2 number, since 2×23001331220033² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23001331219990 and 23001331220008.

It is not an unprimeable number, because it can be changed into a prime (23001331220233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48412985 + ... + 48885782.

It is an arithmetic number, because the mean of its divisors is an integer number (5750357188800).

Almost surely, 2^{23001331220033} is an apocalyptic number.

It is an amenable number.

23001331220033 is a deficient number, since it is larger than the sum of its proper divisors (97535167).

23001331220033 is an equidigital number, since it uses as much as digits as its factorization.

23001331220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97535166.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23001331220033 its reverse (33002213310032), we get a palindrome (56003544530065).

The spelling of 23001331220033 in words is "twenty-three trillion, one billion, three hundred thirty-one million, two hundred twenty thousand, thirty-three".