1305450032223 has 4 divisors (see below), whose sum is σ = 1740600042968. Its totient is φ = 870300021480.

The previous prime is 1305450032209. The next prime is 1305450032231. The reversal of 1305450032223 is 3222300545031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1305450032223 - 2²⁶ = 1305382923359 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 (1305430032223) 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, 217575005368 + ... + 217575005373.

It is an arithmetic number, because the mean of its divisors is an integer number (435150010742).

Almost surely, 2^{1305450032223} is an apocalyptic number.

1305450032223 is a deficient number, since it is larger than the sum of its proper divisors (435150010745).

1305450032223 is an equidigital number, since it uses as much as digits as its factorization.

1305450032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435150010744.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 1305450032223 its reverse (3222300545031), we get a palindrome (4527750577254).

The spelling of 1305450032223 in words is "one trillion, three hundred five billion, four hundred fifty million, thirty-two thousand, two hundred twenty-three".