223306144253 has 8 divisors (see below), whose sum is σ = 226027512408. Its totient is φ = 220601219904.

The previous prime is 223306144249. The next prime is 223306144267. The reversal of 223306144253 is 352441603322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4111759129 + 219194385124 = 64123^2 + 468182^2 .

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 223306144253 - 2² = 223306144249 is a prime.

It is a super-2 number, since 2×223306144253² (a number of 23 digits) 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 (223306144283) 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, 4083626 + ... + 4137947.

It is an arithmetic number, because the mean of its divisors is an integer number (28253439051).

Almost surely, 2^223306144253 is an apocalyptic number.

It is an amenable number.

223306144253 is a deficient number, since it is larger than the sum of its proper divisors (2721368155).

223306144253 is a wasteful number, since it uses less digits than its factorization.

223306144253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221903.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 223306144253 its reverse (352441603322), we get a palindrome (575747747575).

The spelling of 223306144253 in words is "two hundred twenty-three billion, three hundred six million, one hundred forty-four thousand, two hundred fifty-three".