231223232323201 has 2 divisors, whose sum is σ = 231223232323202. Its totient is φ = 231223232323200.

The previous prime is 231223232323151. The next prime is 231223232323277. The reversal of 231223232323201 is 102323232322132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213300913280625 + 17922319042576 = 14604825^2 + 4233476^2 .

It is a cyclic number.

It is not a de Polignac number, because 231223232323201 - 2¹⁹ = 231223231798913 is a prime.

It is not a weakly prime, because it can be changed into another prime (231223232323801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611616161600 + 115611616161601.

It is an arithmetic number, because the mean of its divisors is an integer number (115611616161601).

Almost surely, 2^{231223232323201} is an apocalyptic number.

It is an amenable number.

231223232323201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231223232323201 is an equidigital number, since it uses as much as digits as its factorization.

231223232323201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 231223232323201 its reverse (102323232322132), we get a palindrome (333546464645333).

The spelling of 231223232323201 in words is "two hundred thirty-one trillion, two hundred twenty-three billion, two hundred thirty-two million, three hundred twenty-three thousand, two hundred one".