223327370021647 has 2 divisors, whose sum is σ = 223327370021648. Its totient is φ = 223327370021646.

The previous prime is 223327370021617. The next prime is 223327370021653. The reversal of 223327370021647 is 746120073723322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223327370021647 is a prime.

It is a super-2 number, since 2×223327370021647² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223327370021647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223327370021617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111663685010823 + 111663685010824.

It is an arithmetic number, because the mean of its divisors is an integer number (111663685010824).

Almost surely, 2^{223327370021647} is an apocalyptic number.

223327370021647 is a deficient number, since it is larger than the sum of its proper divisors (1).

223327370021647 is an equidigital number, since it uses as much as digits as its factorization.

223327370021647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 49.

The spelling of 223327370021647 in words is "two hundred twenty-three trillion, three hundred twenty-seven billion, three hundred seventy million, twenty-one thousand, six hundred forty-seven".