200523424 has 24 divisors (see below), whose sum is σ = 405452628. Its totient is φ = 97551360.

The previous prime is 200523391. The next prime is 200523439. The reversal of 200523424 is 424325002.

It can be written as a sum of positive squares in 2 ways, for example, as 199713424 + 810000 = 14132^2 + 900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200523395 and 200523404.

It is an unprimeable number.

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, 83497 + ... + 85864.

Almost surely, 2^200523424 is an apocalyptic number.

It is an amenable number.

200523424 is an abundant number, since it is smaller than the sum of its proper divisors (204929204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200523424 is a wasteful number, since it uses less digits than its factorization.

200523424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169408 (or 169400 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 200523424 is about 14160.6293645445. The cubic root of 200523424 is about 585.3132702526.

Adding to 200523424 its reverse (424325002), we get a palindrome (624848426).

The spelling of 200523424 in words is "two hundred million, five hundred twenty-three thousand, four hundred twenty-four".