252503123 has 4 divisors (see below), whose sum is σ = 253635648. Its totient is φ = 251370600.

The previous prime is 252503093. The next prime is 252503213. The reversal of 252503123 is 321305252.

252503123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252503123 - 2¹⁶ = 252437587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252503323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565928 + ... + 566373.

It is an arithmetic number, because the mean of its divisors is an integer number (63408912).

Almost surely, 2^252503123 is an apocalyptic number.

252503123 is a deficient number, since it is larger than the sum of its proper divisors (1132525).

252503123 is a wasteful number, since it uses less digits than its factorization.

252503123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132524.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 252503123 is about 15890.3468495814. The cubic root of 252503123 is about 632.0560382333.

Adding to 252503123 its reverse (321305252), we get a palindrome (573808375).

The spelling of 252503123 in words is "two hundred fifty-two million, five hundred three thousand, one hundred twenty-three".