1246227666223 has 2 divisors, whose sum is σ = 1246227666224. Its totient is φ = 1246227666222.

The previous prime is 1246227666193. The next prime is 1246227666241. The reversal of 1246227666223 is 3226667226421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1246227666223 - 2²⁹ = 1245690795311 is a prime.

It is a super-3 number, since 3×1246227666223³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1246227666283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623113833111 + 623113833112.

It is an arithmetic number, because the mean of its divisors is an integer number (623113833112).

Almost surely, 2^{1246227666223} is an apocalyptic number.

1246227666223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246227666223 is an equidigital number, since it uses as much as digits as its factorization.

1246227666223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 49.

The spelling of 1246227666223 in words is "one trillion, two hundred forty-six billion, two hundred twenty-seven million, six hundred sixty-six thousand, two hundred twenty-three".