23121311323 has 8 divisors (see below), whose sum is σ = 25364162880. Its totient is φ = 20901945480.

The previous prime is 23121311293. The next prime is 23121311357. The reversal of 23121311323 is 32311312132.

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 23121311323 - 2⁹ = 23121310811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121311294 and 23121311303.

It is not an unprimeable number, because it can be changed into a prime (23121311393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5869365 + ... + 5873302.

It is an arithmetic number, because the mean of its divisors is an integer number (3170520360).

Almost surely, 2^23121311323 is an apocalyptic number.

23121311323 is a deficient number, since it is larger than the sum of its proper divisors (2242851557).

23121311323 is a wasteful number, since it uses less digits than its factorization.

23121311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742857.

The product of its digits is 648, while the sum is 22.

Adding to 23121311323 its reverse (32311312132), we get a palindrome (55432623455).

The spelling of 23121311323 in words is "twenty-three billion, one hundred twenty-one million, three hundred eleven thousand, three hundred twenty-three".