240223253 has 2 divisors, whose sum is σ = 240223254. Its totient is φ = 240223252.

The previous prime is 240223237. The next prime is 240223267. The reversal of 240223253 is 352322042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127396369 + 112826884 = 11287^2 + 10622^2 .

It is a cyclic number.

It is not a de Polignac number, because 240223253 - 2⁴ = 240223237 is a prime.

It is a super-2 number, since 2×240223253² = 115414422563804018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240223273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120111626 + 120111627.

It is an arithmetic number, because the mean of its divisors is an integer number (120111627).

Almost surely, 2^240223253 is an apocalyptic number.

It is an amenable number.

240223253 is a deficient number, since it is larger than the sum of its proper divisors (1).

240223253 is an equidigital number, since it uses as much as digits as its factorization.

240223253 is an odious number, because the sum of its binary digits is odd.

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

The square root of 240223253 is about 15499.1371695330. The cubic root of 240223253 is about 621.6391356330.

Adding to 240223253 its reverse (352322042), we get a palindrome (592545295).

The spelling of 240223253 in words is "two hundred forty million, two hundred twenty-three thousand, two hundred fifty-three".