223560666403 has 2 divisors, whose sum is σ = 223560666404. Its totient is φ = 223560666402.

The previous prime is 223560666353. The next prime is 223560666409. The reversal of 223560666403 is 304666065322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223560666403 - 2²⁵ = 223527111971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223560666403.

It is not a weakly prime, because it can be changed into another prime (223560666409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111780333201 + 111780333202.

It is an arithmetic number, because the mean of its divisors is an integer number (111780333202).

Almost surely, 2^223560666403 is an apocalyptic number.

223560666403 is a deficient number, since it is larger than the sum of its proper divisors (1).

223560666403 is an equidigital number, since it uses as much as digits as its factorization.

223560666403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 223560666403 in words is "two hundred twenty-three billion, five hundred sixty million, six hundred sixty-six thousand, four hundred three".