1345105120223 has 8 divisors (see below), whose sum is σ = 1383057720000. Its totient is φ = 1307618196768.

The previous prime is 1345105120147. The next prime is 1345105120273. The reversal of 1345105120223 is 3220215015431.

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 1345105120223 - 2¹⁰ = 1345105119199 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 (1345105120273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116413223 + ... + 116424776.

It is an arithmetic number, because the mean of its divisors is an integer number (172882215000).

Almost surely, 2^{1345105120223} is an apocalyptic number.

1345105120223 is a deficient number, since it is larger than the sum of its proper divisors (37952599777).

1345105120223 is a wasteful number, since it uses less digits than its factorization.

1345105120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232838161.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 1345105120223 in words is "one trillion, three hundred forty-five billion, one hundred five million, one hundred twenty thousand, two hundred twenty-three".