1223100733 has 2 divisors, whose sum is σ = 1223100734. Its totient is φ = 1223100732.

The previous prime is 1223100721. The next prime is 1223100763. The reversal of 1223100733 is 3370013221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990172089 + 232928644 = 31467^2 + 15262^2 .

It is an emirp because it is prime and its reverse (3370013221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223100733 - 2²⁵ = 1189546301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223100763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611550366 + 611550367.

It is an arithmetic number, because the mean of its divisors is an integer number (611550367).

Almost surely, 2^1223100733 is an apocalyptic number.

It is an amenable number.

1223100733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223100733 is an equidigital number, since it uses as much as digits as its factorization.

1223100733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1223100733 is about 34972.8570894630. The cubic root of 1223100733 is about 1069.4342171448.

Adding to 1223100733 its reverse (3370013221), we get a palindrome (4593113954).

The spelling of 1223100733 in words is "one billion, two hundred twenty-three million, one hundred thousand, seven hundred thirty-three".