253240223 has 8 divisors (see below), whose sum is σ = 255446400. Its totient is φ = 251042328.

The previous prime is 253240199. The next prime is 253240243. The reversal of 253240223 is 322042352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253240223 - 2¹² = 253236127 is a prime.

It is a super-2 number, since 2×253240223² = 128261221090179458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253240243) 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, 69788 + ... + 73326.

It is an arithmetic number, because the mean of its divisors is an integer number (31930800).

Almost surely, 2^253240223 is an apocalyptic number.

253240223 is a deficient number, since it is larger than the sum of its proper divisors (2206177).

253240223 is a wasteful number, since it uses less digits than its factorization.

253240223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 253240223 is about 15913.5232742470. The cubic root of 253240223 is about 632.6704674699.

Adding to 253240223 its reverse (322042352), we get a palindrome (575282575).

The spelling of 253240223 in words is "two hundred fifty-three million, two hundred forty thousand, two hundred twenty-three".