223540453 has 8 divisors (see below), whose sum is σ = 235612800. Its totient is φ = 211498848.

The previous prime is 223540367. The next prime is 223540459. The reversal of 223540453 is 354045322.

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 223540453 - 2²⁵ = 189986021 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 (223540459) 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, 8100 + ... + 22642.

It is an arithmetic number, because the mean of its divisors is an integer number (29451600).

Almost surely, 2^223540453 is an apocalyptic number.

It is an amenable number.

223540453 is a deficient number, since it is larger than the sum of its proper divisors (12072347).

223540453 is a wasteful number, since it uses less digits than its factorization.

223540453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 223540453 is about 14951.2692772219. The cubic root of 223540453 is about 606.9021959456.

Adding to 223540453 its reverse (354045322), we get a palindrome (577585775).

The spelling of 223540453 in words is "two hundred twenty-three million, five hundred forty thousand, four hundred fifty-three".