1223667000571 has 2 divisors, whose sum is σ = 1223667000572. Its totient is φ = 1223667000570.

The previous prime is 1223667000553. The next prime is 1223667000623. The reversal of 1223667000571 is 1750007663221.

It is a weak prime.

It is an emirp because it is prime and its reverse (1750007663221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223667000571 - 2⁵ = 1223667000539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223667000511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611833500285 + 611833500286.

It is an arithmetic number, because the mean of its divisors is an integer number (611833500286).

Almost surely, 2^{1223667000571} is an apocalyptic number.

1223667000571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223667000571 is an equidigital number, since it uses as much as digits as its factorization.

1223667000571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 1223667000571 in words is "one trillion, two hundred twenty-three billion, six hundred sixty-seven million, five hundred seventy-one", and thus it is an aban number.