227323768021 has 4 divisors (see below), whose sum is σ = 259798592032. Its totient is φ = 194848944012.

The previous prime is 227323767991. The next prime is 227323768033. The reversal of 227323768021 is 120867323722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 227323768021 - 2¹⁵ = 227323735253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227323768121) 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, 16237411995 + ... + 16237412008.

It is an arithmetic number, because the mean of its divisors is an integer number (64949648008).

Almost surely, 2^227323768021 is an apocalyptic number.

It is an amenable number.

227323768021 is a deficient number, since it is larger than the sum of its proper divisors (32474824011).

227323768021 is an equidigital number, since it uses as much as digits as its factorization.

227323768021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32474824010.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 227323768021 in words is "two hundred twenty-seven billion, three hundred twenty-three million, seven hundred sixty-eight thousand, twenty-one".