427567223 has 2 divisors, whose sum is σ = 427567224. Its totient is φ = 427567222.

The previous prime is 427567201. The next prime is 427567237. The reversal of 427567223 is 322765724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427567223 - 2¹² = 427563127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427567243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213783611 + 213783612.

It is an arithmetic number, because the mean of its divisors is an integer number (213783612).

Almost surely, 2^427567223 is an apocalyptic number.

427567223 is a deficient number, since it is larger than the sum of its proper divisors (1).

427567223 is an equidigital number, since it uses as much as digits as its factorization.

427567223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 38.

The square root of 427567223 is about 20677.6986872331. The cubic root of 427567223 is about 753.3581108661.

The spelling of 427567223 in words is "four hundred twenty-seven million, five hundred sixty-seven thousand, two hundred twenty-three".