23231120201 has 2 divisors, whose sum is σ = 23231120202. Its totient is φ = 23231120200.

The previous prime is 23231120173. The next prime is 23231120239. The reversal of 23231120201 is 10202113232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18421004176 + 4810116025 = 135724^2 + 69355^2 .

It is a cyclic number.

It is not a de Polignac number, because 23231120201 - 2⁶ = 23231120137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23231120201.

It is not a weakly prime, because it can be changed into another prime (23231120251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615560100 + 11615560101.

It is an arithmetic number, because the mean of its divisors is an integer number (11615560101).

Almost surely, 2^23231120201 is an apocalyptic number.

It is an amenable number.

23231120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231120201 is an equidigital number, since it uses as much as digits as its factorization.

23231120201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23231120201 its reverse (10202113232), we get a palindrome (33433233433).

The spelling of 23231120201 in words is "twenty-three billion, two hundred thirty-one million, one hundred twenty thousand, two hundred one".