405513024223 has 4 divisors (see below), whose sum is σ = 405523299160. Its totient is φ = 405502749288.

The previous prime is 405513024187. The next prime is 405513024227. The reversal of 405513024223 is 322420315504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405513024223 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 (405513024227) 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, 5078040 + ... + 5157277.

It is an arithmetic number, because the mean of its divisors is an integer number (101380824790).

Almost surely, 2^405513024223 is an apocalyptic number.

405513024223 is a deficient number, since it is larger than the sum of its proper divisors (10274937).

405513024223 is a wasteful number, since it uses less digits than its factorization.

405513024223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274936.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 405513024223 its reverse (322420315504), we get a palindrome (727933339727).

The spelling of 405513024223 in words is "four hundred five billion, five hundred thirteen million, twenty-four thousand, two hundred twenty-three".