23021323201 has 4 divisors (see below), whose sum is σ = 23398722004. Its totient is φ = 22643924400.

The previous prime is 23021323123. The next prime is 23021323207. The reversal of 23021323201 is 10232312032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10526554801 + 12494768400 = 102599^2 + 111780^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021323201 - 2²⁷ = 22887105473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23021323207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188699310 + ... + 188699431.

It is an arithmetic number, because the mean of its divisors is an integer number (5849680501).

Almost surely, 2^23021323201 is an apocalyptic number.

It is an amenable number.

23021323201 is a deficient number, since it is larger than the sum of its proper divisors (377398803).

23021323201 is an equidigital number, since it uses as much as digits as its factorization.

23021323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377398802.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23021323201 its reverse (10232312032), we get a palindrome (33253635233).

The spelling of 23021323201 in words is "twenty-three billion, twenty-one million, three hundred twenty-three thousand, two hundred one".