223440066203457 has 4 divisors (see below), whose sum is σ = 297920088271280. Its totient is φ = 148960044135636.

The previous prime is 223440066203441. The next prime is 223440066203477. The reversal of 223440066203457 is 754302660044322.

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 223440066203457 - 2⁴ = 223440066203441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223440066203477) 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, 37240011033907 + ... + 37240011033912.

It is an arithmetic number, because the mean of its divisors is an integer number (74480022067820).

Almost surely, 2^{223440066203457} is an apocalyptic number.

It is an amenable number.

223440066203457 is a deficient number, since it is larger than the sum of its proper divisors (74480022067823).

223440066203457 is an equidigital number, since it uses as much as digits as its factorization.

223440066203457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74480022067822.

The product of its (nonzero) digits is 5806080, while the sum is 48.

The spelling of 223440066203457 in words is "two hundred twenty-three trillion, four hundred forty billion, sixty-six million, two hundred three thousand, four hundred fifty-seven".