523012230 has 48 divisors (see below), whose sum is σ = 1464437520. Its totient is φ = 128741184.

The previous prime is 523012211. The next prime is 523012247. The reversal of 523012230 is 32210325.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222340 + ... + 224679.

It is an arithmetic number, because the mean of its divisors is an integer number (30509115).

Almost surely, 2^523012230 is an apocalyptic number.

523012230 is an abundant number, since it is smaller than the sum of its proper divisors (941425290).

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

523012230 is a wasteful number, since it uses less digits than its factorization.

523012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447045 (or 447042 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 523012230 is about 22869.4606407759. The cubic root of 523012230 is about 805.6949003991.

Adding to 523012230 its reverse (32210325), we get a palindrome (555222555).

The spelling of 523012230 in words is "five hundred twenty-three million, twelve thousand, two hundred thirty".