553123 has 2 divisors, whose sum is σ = 553124. Its totient is φ = 553122.

The previous prime is 553103. The next prime is 553139. The reversal of 553123 is 321355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553123 - 2⁹ = 552611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553123.

It is not a weakly prime, because it can be changed into another prime (553103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276561 + 276562.

It is an arithmetic number, because the mean of its divisors is an integer number (276562).

2⁵⁵³¹²³ is an apocalyptic number.

553123 is a deficient number, since it is larger than the sum of its proper divisors (1).

553123 is an equidigital number, since it uses as much as digits as its factorization.

553123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 19.

The square root of 553123 is about 743.7223944457. The cubic root of 553123 is about 82.0869096389.

Adding to 553123 its reverse (321355), we get a palindrome (874478).

It can be divided in two parts, 553 and 123, that added together give a palindrome (676).

The spelling of 553123 in words is "five hundred fifty-three thousand, one hundred twenty-three".