553323623 has 8 divisors (see below), whose sum is σ = 556625520. Its totient is φ = 550029760.

The previous prime is 553323607. The next prime is 553323637. The reversal of 553323623 is 326323355.

It is a happy number.

553323623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553323623 - 2⁴ = 553323607 is a prime.

It is a super-2 number, since 2×553323623² = 612334063539692258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553323623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553323923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184883 + ... + 187851.

It is an arithmetic number, because the mean of its divisors is an integer number (69578190).

Almost surely, 2^553323623 is an apocalyptic number.

553323623 is a deficient number, since it is larger than the sum of its proper divisors (3301897).

553323623 is a wasteful number, since it uses less digits than its factorization.

553323623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017.

The product of its digits is 48600, while the sum is 32.

The square root of 553323623 is about 23522.8319511066. The cubic root of 553323623 is about 820.9683300816.

Adding to 553323623 its reverse (326323355), we get a palindrome (879646978).

The spelling of 553323623 in words is "five hundred fifty-three million, three hundred twenty-three thousand, six hundred twenty-three".