1553113223 has 2 divisors, whose sum is σ = 1553113224. Its totient is φ = 1553113222.

The previous prime is 1553113201. The next prime is 1553113277. The reversal of 1553113223 is 3223113551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1553113223 - 2¹² = 1553109127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553113192 and 1553113201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553113283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776556611 + 776556612.

It is an arithmetic number, because the mean of its divisors is an integer number (776556612).

Almost surely, 2^1553113223 is an apocalyptic number.

1553113223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553113223 is an equidigital number, since it uses as much as digits as its factorization.

1553113223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 26.

The square root of 1553113223 is about 39409.5575082999. The cubic root of 1553113223 is about 1158.0688297229.

Adding to 1553113223 its reverse (3223113551), we get a palindrome (4776226774).

The spelling of 1553113223 in words is "one billion, five hundred fifty-three million, one hundred thirteen thousand, two hundred twenty-three".