505223406653 has 8 divisors (see below), whose sum is σ = 577403249280. Its totient is φ = 433044831600.

The previous prime is 505223406641. The next prime is 505223406673. The reversal of 505223406653 is 356604322505.

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 505223406653 - 2⁴ = 505223406637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505223406653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505223406673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799328 + ... + 1284278.

It is an arithmetic number, because the mean of its divisors is an integer number (72175406160).

Almost surely, 2^505223406653 is an apocalyptic number.

It is an amenable number.

505223406653 is a deficient number, since it is larger than the sum of its proper divisors (72179842627).

505223406653 is a wasteful number, since it uses less digits than its factorization.

505223406653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633787.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 505223406653 in words is "five hundred five billion, two hundred twenty-three million, four hundred six thousand, six hundred fifty-three".