23112021001321 has 16 divisors (see below), whose sum is σ = 26444097224064. Its totient is φ = 19787545943424.

The previous prime is 23112021001313. The next prime is 23112021001343. The reversal of 23112021001321 is 12310012021132.

It is not a de Polignac number, because 23112021001321 - 2³ = 23112021001313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23112021001021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23891175 + ... + 24839731.

It is an arithmetic number, because the mean of its divisors is an integer number (1652756076504).

Almost surely, 2^{23112021001321} is an apocalyptic number.

It is an amenable number.

23112021001321 is a deficient number, since it is larger than the sum of its proper divisors (3332076222743).

23112021001321 is a wasteful number, since it uses less digits than its factorization.

23112021001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952560.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 23112021001321 its reverse (12310012021132), we get a palindrome (35422033022453).

The spelling of 23112021001321 in words is "twenty-three trillion, one hundred twelve billion, twenty-one million, one thousand, three hundred twenty-one".