230123031302221 has 4 divisors (see below), whose sum is σ = 230953800368572. Its totient is φ = 229292262235872.

The previous prime is 230123031302161. The next prime is 230123031302251. The reversal of 230123031302221 is 122203130321032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126451149502500 + 103671881799721 = 11245050^2 + 10181939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230123031302221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230123031302251) 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, 415384532760 + ... + 415384533313.

It is an arithmetic number, because the mean of its divisors is an integer number (57738450092143).

Almost surely, 2^{230123031302221} is an apocalyptic number.

It is an amenable number.

230123031302221 is a deficient number, since it is larger than the sum of its proper divisors (830769066351).

230123031302221 is an equidigital number, since it uses as much as digits as its factorization.

230123031302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830769066350.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 230123031302221 its reverse (122203130321032), we get a palindrome (352326161623253).

The spelling of 230123031302221 in words is "two hundred thirty trillion, one hundred twenty-three billion, thirty-one million, three hundred two thousand, two hundred twenty-one".