1553313223 has 16 divisors (see below), whose sum is σ = 1940843520. Its totient is φ = 1207720800.

The previous prime is 1553313191. The next prime is 1553313253. The reversal of 1553313223 is 3223133551.

It is not a de Polignac number, because 1553313223 - 2⁵ = 1553313191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553313191 and 1553313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553313253) 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, 13618 + ... + 57376.

It is an arithmetic number, because the mean of its divisors is an integer number (121302720).

Almost surely, 2^1553313223 is an apocalyptic number.

1553313223 is a deficient number, since it is larger than the sum of its proper divisors (387530297).

1553313223 is a wasteful number, since it uses less digits than its factorization.

1553313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44238.

The product of its digits is 8100, while the sum is 28.

The square root of 1553313223 is about 39412.0948821551. The cubic root of 1553313223 is about 1158.1185371581.

Adding to 1553313223 its reverse (3223133551), we get a palindrome (4776446774).

The spelling of 1553313223 in words is "one billion, five hundred fifty-three million, three hundred thirteen thousand, two hundred twenty-three".