23012231321 has 16 divisors (see below), whose sum is σ = 23968915200. Its totient is φ = 22077209088.

The previous prime is 23012231303. The next prime is 23012231371. The reversal of 23012231321 is 12313221032.

It is a cyclic number.

It is not a de Polignac number, because 23012231321 - 2⁶ = 23012231257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23012231293 and 23012231302.

It is not an unprimeable number, because it can be changed into a prime (23012231371) 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 15 ways as a sum of consecutive naturals, for example, 967115 + ... + 990623.

It is an arithmetic number, because the mean of its divisors is an integer number (1498057200).

Almost surely, 2^23012231321 is an apocalyptic number.

It is an amenable number.

23012231321 is a deficient number, since it is larger than the sum of its proper divisors (956683879).

23012231321 is a wasteful number, since it uses less digits than its factorization.

23012231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23968.

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

Adding to 23012231321 its reverse (12313221032), we get a palindrome (35325452353).

The spelling of 23012231321 in words is "twenty-three billion, twelve million, two hundred thirty-one thousand, three hundred twenty-one".