2230123313221 has 4 divisors (see below), whose sum is σ = 2230186666444. Its totient is φ = 2230059960000.

The previous prime is 2230123313191. The next prime is 2230123313269. The reversal of 2230123313221 is 1223133210322.

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 1950731782596 + 279391530625 = 1396686^2 + 528575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2230123313221 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 (2230123313021) 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, 31623780 + ... + 31694221.

It is an arithmetic number, because the mean of its divisors is an integer number (557546666611).

Almost surely, 2^{2230123313221} is an apocalyptic number.

It is an amenable number.

2230123313221 is a deficient number, since it is larger than the sum of its proper divisors (63353223).

2230123313221 is an equidigital number, since it uses as much as digits as its factorization.

2230123313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63353222.

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

Adding to 2230123313221 its reverse (1223133210322), we get a palindrome (3453256523543).

The spelling of 2230123313221 in words is "two trillion, two hundred thirty billion, one hundred twenty-three million, three hundred thirteen thousand, two hundred twenty-one".