553112123 has 4 divisors (see below), whose sum is σ = 553261368. Its totient is φ = 552962880.

The previous prime is 553112117. The next prime is 553112129. The reversal of 553112123 is 321211355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321211355 = 5 ⋅64242271.

It is an interprime number because it is at equal distance from previous prime (553112117) and next prime (553112129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553112123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553112129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68918 + ... + 76523.

It is an arithmetic number, because the mean of its divisors is an integer number (138315342).

Almost surely, 2^553112123 is an apocalyptic number.

553112123 is a deficient number, since it is larger than the sum of its proper divisors (149245).

553112123 is a wasteful number, since it uses less digits than its factorization.

553112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149244.

The product of its digits is 900, while the sum is 23.

The square root of 553112123 is about 23518.3358892588. The cubic root of 553112123 is about 820.8637156376.

Adding to 553112123 its reverse (321211355), we get a palindrome (874323478).

The spelling of 553112123 in words is "five hundred fifty-three million, one hundred twelve thousand, one hundred twenty-three".