230231322121 has 2 divisors, whose sum is σ = 230231322122. Its totient is φ = 230231322120.

The previous prime is 230231322089. The next prime is 230231322151. The reversal of 230231322121 is 121223132032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183860006521 + 46371315600 = 428789^2 + 215340^2 .

It is a cyclic number.

It is not a de Polignac number, because 230231322121 - 2⁵ = 230231322089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230231322092 and 230231322101.

It is not a weakly prime, because it can be changed into another prime (230231322151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115115661060 + 115115661061.

It is an arithmetic number, because the mean of its divisors is an integer number (115115661061).

Almost surely, 2^230231322121 is an apocalyptic number.

It is an amenable number.

230231322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

230231322121 is an equidigital number, since it uses as much as digits as its factorization.

230231322121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 230231322121 its reverse (121223132032), we get a palindrome (351454454153).

The spelling of 230231322121 in words is "two hundred thirty billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty-one".