128463667223 has 2 divisors, whose sum is σ = 128463667224. Its totient is φ = 128463667222.

The previous prime is 128463667207. The next prime is 128463667243. The reversal of 128463667223 is 322766364821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128463667223 - 2⁴ = 128463667207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128463667243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64231833611 + 64231833612.

It is an arithmetic number, because the mean of its divisors is an integer number (64231833612).

Almost surely, 2^128463667223 is an apocalyptic number.

128463667223 is a deficient number, since it is larger than the sum of its proper divisors (1).

128463667223 is an equidigital number, since it uses as much as digits as its factorization.

128463667223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 50.

The spelling of 128463667223 in words is "one hundred twenty-eight billion, four hundred sixty-three million, six hundred sixty-seven thousand, two hundred twenty-three".