253244623 has 4 divisors (see below), whose sum is σ = 253289080. Its totient is φ = 253200168.

The previous prime is 253244581. The next prime is 253244627. The reversal of 253244623 is 326442352.

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 253244623 - 2⁹ = 253244111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253244627) 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, 12165 + ... + 25582.

It is an arithmetic number, because the mean of its divisors is an integer number (63322270).

Almost surely, 2^253244623 is an apocalyptic number.

253244623 is a deficient number, since it is larger than the sum of its proper divisors (44457).

253244623 is an equidigital number, since it uses as much as digits as its factorization.

253244623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44456.

The product of its digits is 34560, while the sum is 31.

The square root of 253244623 is about 15913.6615208443. The cubic root of 253244623 is about 632.6741316245.

Adding to 253244623 its reverse (326442352), we get a palindrome (579686975).

The spelling of 253244623 in words is "two hundred fifty-three million, two hundred forty-four thousand, six hundred twenty-three".