23213320331 has 8 divisors (see below), whose sum is σ = 24239532960. Its totient is φ = 22188519232.

The previous prime is 23213320279. The next prime is 23213320363. The reversal of 23213320331 is 13302331232.

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 23213320331 - 2³⁰ = 22139578507 is a prime.

It is a super-2 number, since 2×23213320331² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23213320297 and 23213320306.

It is not an unprimeable number, because it can be changed into a prime (23213320391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319196 + ... + 385113.

It is an arithmetic number, because the mean of its divisors is an integer number (3029941620).

Almost surely, 2^23213320331 is an apocalyptic number.

23213320331 is a deficient number, since it is larger than the sum of its proper divisors (1026212629).

23213320331 is a wasteful number, since it uses less digits than its factorization.

23213320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705765.

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

Adding to 23213320331 its reverse (13302331232), we get a palindrome (36515651563).

The spelling of 23213320331 in words is "twenty-three billion, two hundred thirteen million, three hundred twenty thousand, three hundred thirty-one".