23121012323 has 8 divisors (see below), whose sum is σ = 24474529200. Its totient is φ = 21804578208.

The previous prime is 23121012319. The next prime is 23121012349. The reversal of 23121012323 is 32321012132.

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 23121012323 - 2² = 23121012319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121012295 and 23121012304.

It is not an unprimeable number, because it can be changed into a prime (23121012623) 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, 9269408 + ... + 9271901.

It is an arithmetic number, because the mean of its divisors is an integer number (3059316150).

Almost surely, 2^23121012323 is an apocalyptic number.

23121012323 is a deficient number, since it is larger than the sum of its proper divisors (1353516877).

23121012323 is a wasteful number, since it uses less digits than its factorization.

23121012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541381.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23121012323 its reverse (32321012132), we get a palindrome (55442024455).

The spelling of 23121012323 in words is "twenty-three billion, one hundred twenty-one million, twelve thousand, three hundred twenty-three".