1223070979667 has 2 divisors, whose sum is σ = 1223070979668. Its totient is φ = 1223070979666.

The previous prime is 1223070979649. The next prime is 1223070979681. The reversal of 1223070979667 is 7669790703221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223070979667 - 2²⁰ = 1223069931091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223070979567) 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, 611535489833 + 611535489834.

It is an arithmetic number, because the mean of its divisors is an integer number (611535489834).

Almost surely, 2^{1223070979667} is an apocalyptic number.

1223070979667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223070979667 is an equidigital number, since it uses as much as digits as its factorization.

1223070979667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12002256, while the sum is 59.

The spelling of 1223070979667 in words is "one trillion, two hundred twenty-three billion, seventy million, nine hundred seventy-nine thousand, six hundred sixty-seven".