1223687620703 has 2 divisors, whose sum is σ = 1223687620704. Its totient is φ = 1223687620702.

The previous prime is 1223687620691. The next prime is 1223687620721. The reversal of 1223687620703 is 3070267863221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223687620703 - 2²⁰ = 1223686572127 is a prime.

It is a super-2 number, since 2×1223687620703² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223687620783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611843810351 + 611843810352.

It is an arithmetic number, because the mean of its divisors is an integer number (611843810352).

Almost surely, 2^{1223687620703} is an apocalyptic number.

1223687620703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223687620703 is an equidigital number, since it uses as much as digits as its factorization.

1223687620703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 1223687620703 in words is "one trillion, two hundred twenty-three billion, six hundred eighty-seven million, six hundred twenty thousand, seven hundred three".