513004323 has 16 divisors (see below), whose sum is σ = 747000576. Its totient is φ = 311246880.

The previous prime is 513004321. The next prime is 513004333. The reversal of 513004323 is 323400315.

It is not a de Polignac number, because 513004323 - 2¹ = 513004321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513004323.

It is not an unprimeable number, because it can be changed into a prime (513004321) 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, 89865 + ... + 95402.

It is an arithmetic number, because the mean of its divisors is an integer number (46687536).

Almost surely, 2^513004323 is an apocalyptic number.

513004323 is a deficient number, since it is larger than the sum of its proper divisors (233996253).

513004323 is a wasteful number, since it uses less digits than its factorization.

513004323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185354.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 513004323 is about 22649.5987381675. The cubic root of 513004323 is about 800.5227432458.

Adding to 513004323 its reverse (323400315), we get a palindrome (836404638).

The spelling of 513004323 in words is "five hundred thirteen million, four thousand, three hundred twenty-three".