4223665342427 has 2 divisors, whose sum is σ = 4223665342428. Its totient is φ = 4223665342426.

The previous prime is 4223665342399. The next prime is 4223665342439. The reversal of 4223665342427 is 7242435663224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223665342427 - 2¹⁰ = 4223665341403 is a prime.

It is not a weakly prime, because it can be changed into another prime (4223665342327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111832671213 + 2111832671214.

It is an arithmetic number, because the mean of its divisors is an integer number (2111832671214).

Almost surely, 2^{4223665342427} is an apocalyptic number.

4223665342427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223665342427 is an equidigital number, since it uses as much as digits as its factorization.

4223665342427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 50.

The spelling of 4223665342427 in words is "four trillion, two hundred twenty-three billion, six hundred sixty-five million, three hundred forty-two thousand, four hundred twenty-seven".