1223828993 has 2 divisors, whose sum is σ = 1223828994. Its totient is φ = 1223828992.

The previous prime is 1223828987. The next prime is 1223828999. The reversal of 1223828993 is 3998283221.

It is a balanced prime because it is at equal distance from previous prime (1223828987) and next prime (1223828999).

It can be written as a sum of positive squares in only one way, i.e., 1161923569 + 61905424 = 34087^2 + 7868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223828993 - 2²⁰ = 1222780417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223828999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611914496 + 611914497.

It is an arithmetic number, because the mean of its divisors is an integer number (611914497).

Almost surely, 2^1223828993 is an apocalyptic number.

It is an amenable number.

1223828993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223828993 is an equidigital number, since it uses as much as digits as its factorization.

1223828993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 1223828993 is about 34983.2673288245. The cubic root of 1223828993 is about 1069.6464296025.

The spelling of 1223828993 in words is "one billion, two hundred twenty-three million, eight hundred twenty-eight thousand, nine hundred ninety-three".