230273161021 has 4 divisors (see below), whose sum is σ = 230277682044. Its totient is φ = 230268640000.

The previous prime is 230273160967. The next prime is 230273161049. The reversal of 230273161021 is 120161372032.

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 28928907225 + 201344253796 = 170085^2 + 448714^2 .

It is a cyclic number.

It is not a de Polignac number, because 230273161021 - 2¹³ = 230273152829 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 (230273161051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183230 + ... + 2286271.

It is an arithmetic number, because the mean of its divisors is an integer number (57569420511).

Almost surely, 2^230273161021 is an apocalyptic number.

It is an amenable number.

230273161021 is a deficient number, since it is larger than the sum of its proper divisors (4521023).

230273161021 is an equidigital number, since it uses as much as digits as its factorization.

230273161021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521022.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 230273161021 in words is "two hundred thirty billion, two hundred seventy-three million, one hundred sixty-one thousand, twenty-one".