520453223 has 4 divisors (see below), whose sum is σ = 543081648. Its totient is φ = 497824800.

The previous prime is 520453189. The next prime is 520453277. The reversal of 520453223 is 322354025.

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

It is a cyclic number.

It is not a de Polignac number, because 520453223 - 2¹⁸ = 520191079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520453192 and 520453201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520455223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11314178 + ... + 11314223.

It is an arithmetic number, because the mean of its divisors is an integer number (135770412).

Almost surely, 2^520453223 is an apocalyptic number.

520453223 is a deficient number, since it is larger than the sum of its proper divisors (22628425).

520453223 is a wasteful number, since it uses less digits than its factorization.

520453223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22628424.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 520453223 is about 22813.4439092391. The cubic root of 520453223 is about 804.3787102079.

The spelling of 520453223 in words is "five hundred twenty million, four hundred fifty-three thousand, two hundred twenty-three".