252320223 has 4 divisors (see below), whose sum is σ = 336426968. Its totient is φ = 168213480.

The previous prime is 252320221. The next prime is 252320267. The reversal of 252320223 is 322023252.

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

It is not a de Polignac number, because 252320223 - 2¹ = 252320221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252320223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252320221) 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, 42053368 + ... + 42053373.

It is an arithmetic number, because the mean of its divisors is an integer number (84106742).

Almost surely, 2^252320223 is an apocalyptic number.

252320223 is a deficient number, since it is larger than the sum of its proper divisors (84106745).

252320223 is an equidigital number, since it uses as much as digits as its factorization.

252320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84106744.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 252320223 is about 15884.5907407147. The cubic root of 252320223 is about 631.9033919722.

Adding to 252320223 its reverse (322023252), we get a palindrome (574343475).

The spelling of 252320223 in words is "two hundred fifty-two million, three hundred twenty thousand, two hundred twenty-three".