523045330 has 32 divisors (see below), whose sum is σ = 981347328. Its totient is φ = 200491200.

The previous prime is 523045301. The next prime is 523045331. The reversal of 523045330 is 33540325.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 523045295 and 523045304.

It is not an unprimeable number, because it can be changed into a prime (523045331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23740 + ... + 40120.

It is an arithmetic number, because the mean of its divisors is an integer number (30667104).

Almost surely, 2^523045330 is an apocalyptic number.

523045330 is a deficient number, since it is larger than the sum of its proper divisors (458301998).

523045330 is a wasteful number, since it uses less digits than its factorization.

523045330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16522.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 523045330 is about 22870.1843018372. The cubic root of 523045330 is about 805.7118967758.

Adding to 523045330 its reverse (33540325), we get a palindrome (556585655).

The spelling of 523045330 in words is "five hundred twenty-three million, forty-five thousand, three hundred thirty".