223672661350473 has 4 divisors (see below), whose sum is σ = 298230215133968. Its totient is φ = 149115107566980.

The previous prime is 223672661350459. The next prime is 223672661350493. The reversal of 223672661350473 is 374053166276322.

223672661350473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 223672661350473 - 2¹² = 223672661346377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223672661350493) 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, 37278776891743 + ... + 37278776891748.

It is an arithmetic number, because the mean of its divisors is an integer number (74557553783492).

Almost surely, 2^{223672661350473} is an apocalyptic number.

It is an amenable number.

223672661350473 is a deficient number, since it is larger than the sum of its proper divisors (74557553783495).

223672661350473 is an equidigital number, since it uses as much as digits as its factorization.

223672661350473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74557553783494.

The product of its (nonzero) digits is 45722880, while the sum is 57.

The spelling of 223672661350473 in words is "two hundred twenty-three trillion, six hundred seventy-two billion, six hundred sixty-one million, three hundred fifty thousand, four hundred seventy-three".