1553351223 has 16 divisors (see below), whose sum is σ = 2093395680. Its totient is φ = 1024472064.

The previous prime is 1553351147. The next prime is 1553351227. The reversal of 1553351223 is 3221533551.

It is not a de Polignac number, because 1553351223 - 2¹⁰ = 1553350199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553351227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188865 + ... + 196917.

It is an arithmetic number, because the mean of its divisors is an integer number (130837230).

Almost surely, 2^1553351223 is an apocalyptic number.

1553351223 is a deficient number, since it is larger than the sum of its proper divisors (540044457).

1553351223 is a wasteful number, since it uses less digits than its factorization.

1553351223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738.

The product of its digits is 13500, while the sum is 30.

The square root of 1553351223 is about 39412.5769647203. The cubic root of 1553351223 is about 1158.1279810884.

Adding to 1553351223 its reverse (3221533551), we get a palindrome (4774884774).

The spelling of 1553351223 in words is "one billion, five hundred fifty-three million, three hundred fifty-one thousand, two hundred twenty-three".