1223345693 has 2 divisors, whose sum is σ = 1223345694. Its totient is φ = 1223345692.

The previous prime is 1223345623. The next prime is 1223345699. The reversal of 1223345693 is 3965433221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682411129 + 540934564 = 26123^2 + 23258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223345693 - 2²⁰ = 1222297117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223345699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611672846 + 611672847.

It is an arithmetic number, because the mean of its divisors is an integer number (611672847).

Almost surely, 2^1223345693 is an apocalyptic number.

It is an amenable number.

1223345693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223345693 is an equidigital number, since it uses as much as digits as its factorization.

1223345693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 38.

The square root of 1223345693 is about 34976.3590586556. The cubic root of 1223345693 is about 1069.5056070453.

The spelling of 1223345693 in words is "one billion, two hundred twenty-three million, three hundred forty-five thousand, six hundred ninety-three".