23031203021201 has 4 divisors (see below), whose sum is σ = 23031214538304. Its totient is φ = 23031191504100.

The previous prime is 23031203021179. The next prime is 23031203021237. The reversal of 23031203021201 is 10212030213032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23031203021201 - 2⁶ = 23031203021137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23031203021401) 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, 1894805 + ... + 7046466.

It is an arithmetic number, because the mean of its divisors is an integer number (5757803634576).

Almost surely, 2^{23031203021201} is an apocalyptic number.

It is an amenable number.

23031203021201 is a deficient number, since it is larger than the sum of its proper divisors (11517103).

23031203021201 is an equidigital number, since it uses as much as digits as its factorization.

23031203021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517102.

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

Adding to 23031203021201 its reverse (10212030213032), we get a palindrome (33243233234233).

The spelling of 23031203021201 in words is "twenty-three trillion, thirty-one billion, two hundred three million, twenty-one thousand, two hundred one".