252004423 has 4 divisors (see below), whose sum is σ = 274913928. Its totient is φ = 229094920.

The previous prime is 252004387. The next prime is 252004427. The reversal of 252004423 is 324400252.

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 252004423 - 2⁹ = 252003911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252004394 and 252004403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252004427) 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, 11454736 + ... + 11454757.

It is an arithmetic number, because the mean of its divisors is an integer number (68728482).

Almost surely, 2^252004423 is an apocalyptic number.

252004423 is a deficient number, since it is larger than the sum of its proper divisors (22909505).

252004423 is a wasteful number, since it uses less digits than its factorization.

252004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22909504.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 252004423 is about 15874.6471771816. The cubic root of 252004423 is about 631.6396551486.

Adding to 252004423 its reverse (324400252), we get a palindrome (576404675).

The spelling of 252004423 in words is "two hundred fifty-two million, four thousand, four hundred twenty-three".