223966616371 has 2 divisors, whose sum is σ = 223966616372. Its totient is φ = 223966616370.

The previous prime is 223966616327. The next prime is 223966616381. The reversal of 223966616371 is 173616669322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223966616371 - 2¹¹ = 223966614323 is a prime.

It is a super-2 number, since 2×223966616371² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223966616311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111983308185 + 111983308186.

It is an arithmetic number, because the mean of its divisors is an integer number (111983308186).

Almost surely, 2^223966616371 is an apocalyptic number.

223966616371 is a deficient number, since it is larger than the sum of its proper divisors (1).

223966616371 is an equidigital number, since it uses as much as digits as its factorization.

223966616371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 52.

The spelling of 223966616371 in words is "two hundred twenty-three billion, nine hundred sixty-six million, six hundred sixteen thousand, three hundred seventy-one".