23021312321311 has 8 divisors (see below), whose sum is σ = 23584257625824. Its totient is φ = 22458436058880.

The previous prime is 23021312321177. The next prime is 23021312321321. The reversal of 23021312321311 is 11312321312032.

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 23021312321311 - 2¹³ = 23021312313119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021312321321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16585171 + ... + 17919556.

It is an arithmetic number, because the mean of its divisors is an integer number (2948032203228).

Almost surely, 2^{23021312321311} is an apocalyptic number.

23021312321311 is a deficient number, since it is larger than the sum of its proper divisors (562945304513).

23021312321311 is a wasteful number, since it uses less digits than its factorization.

23021312321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34521041.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23021312321311 its reverse (11312321312032), we get a palindrome (34333633633343).

The spelling of 23021312321311 in words is "twenty-three trillion, twenty-one billion, three hundred twelve million, three hundred twenty-one thousand, three hundred eleven".