223245453 has 4 divisors (see below), whose sum is σ = 297660608. Its totient is φ = 148830300.

The previous prime is 223245437. The next prime is 223245467. The reversal of 223245453 is 354542322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223245453 - 2⁴ = 223245437 is a prime.

It is a super-3 number, since 3×223245453³ (a number of 26 digits) contains 333 as substring.

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 223245453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223245493) 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, 37207573 + ... + 37207578.

It is an arithmetic number, because the mean of its divisors is an integer number (74415152).

Almost surely, 2^223245453 is an apocalyptic number.

It is an amenable number.

223245453 is a deficient number, since it is larger than the sum of its proper divisors (74415155).

223245453 is an equidigital number, since it uses as much as digits as its factorization.

223245453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74415154.

The product of its digits is 28800, while the sum is 30.

The square root of 223245453 is about 14941.4006371558. The cubic root of 223245453 is about 606.6351078795.

Adding to 223245453 its reverse (354542322), we get a palindrome (577787775).

The spelling of 223245453 in words is "two hundred twenty-three million, two hundred forty-five thousand, four hundred fifty-three".