523140304 has 10 divisors (see below), whose sum is σ = 1013584370. Its totient is φ = 261570144.

The previous prime is 523140301. The next prime is 523140347. The reversal of 523140304 is 403041325.

It can be written as a sum of positive squares in only one way, i.e., 357966400 + 165173904 = 18920^2 + 12852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523140301) 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 as a sum of consecutive naturals, namely, 16348119 + ... + 16348150.

It is an arithmetic number, because the mean of its divisors is an integer number (101358437).

Almost surely, 2^523140304 is an apocalyptic number.

It is an amenable number.

523140304 is a deficient number, since it is larger than the sum of its proper divisors (490444066).

523140304 is a wasteful number, since it uses less digits than its factorization.

523140304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32696277 (or 32696271 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 523140304 is about 22872.2605791382. The cubic root of 523140304 is about 805.7606605866.

Adding to 523140304 its reverse (403041325), we get a palindrome (926181629).

The spelling of 523140304 in words is "five hundred twenty-three million, one hundred forty thousand, three hundred four".