23123131201 has 4 divisors (see below), whose sum is σ = 23123570112. Its totient is φ = 23122692292.

The previous prime is 23123131183. The next prime is 23123131219. The reversal of 23123131201 is 10213132132.

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.

It is an interprime number because it is at equal distance from previous prime (23123131183) and next prime (23123131219).

It is a cyclic number.

It is not a de Polignac number, because 23123131201 - 2¹¹ = 23123129153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123131231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127621 + ... + 250066.

It is an arithmetic number, because the mean of its divisors is an integer number (5780892528).

Almost surely, 2^23123131201 is an apocalyptic number.

It is an amenable number.

23123131201 is a deficient number, since it is larger than the sum of its proper divisors (438911).

23123131201 is an equidigital number, since it uses as much as digits as its factorization.

23123131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438910.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23123131201 its reverse (10213132132), we get a palindrome (33336263333).

The spelling of 23123131201 in words is "twenty-three billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred one".