505023355 has 8 divisors (see below), whose sum is σ = 614564064. Its totient is φ = 398328000.

The previous prime is 505023349. The next prime is 505023391. The reversal of 505023355 is 553320505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505023355 - 2⁷ = 505023227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710946 + ... + 711655.

It is an arithmetic number, because the mean of its divisors is an integer number (76820508).

Almost surely, 2^505023355 is an apocalyptic number.

505023355 is a deficient number, since it is larger than the sum of its proper divisors (109540709).

505023355 is a wasteful number, since it uses less digits than its factorization.

505023355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422677.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 505023355 is about 22472.7246901661. The cubic root of 505023355 is about 796.3497002013.

The spelling of 505023355 in words is "five hundred five million, twenty-three thousand, three hundred fifty-five".