252423 has 8 divisors (see below), whose sum is σ = 374000. Its totient is φ = 168264.

The previous prime is 252419. The next prime is 252431. The reversal of 252423 is 324252.

It is not a de Polignac number, because 252423 - 2² = 252419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252396 and 252405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252443) 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, 4648 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (46750).

2²⁵²⁴²³ is an apocalyptic number.

252423 is a deficient number, since it is larger than the sum of its proper divisors (121577).

252423 is an equidigital number, since it uses as much as digits as its factorization.

252423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9358 (or 9352 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 252423 is about 502.4171573503. The cubic root of 252423 is about 63.1989177564.

Subtracting from 252423 its sum of digits (18), we obtain a triangular number (252405 = T₇₁₀).

Adding to 252423 its reverse (324252), we get a palindrome (576675).

It can be divided in two parts, 2 and 52423, that added together give a palindrome (52425).

The spelling of 252423 in words is "two hundred fifty-two thousand, four hundred twenty-three".