513123063 has 16 divisors (see below), whose sum is σ = 721315200. Its totient is φ = 323563680.

The previous prime is 513123029. The next prime is 513123073. The reversal of 513123063 is 360321315.

It is a happy number.

It is not a de Polignac number, because 513123063 - 2⁸ = 513122807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513123073) 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, 30868 + ... + 44486.

It is an arithmetic number, because the mean of its divisors is an integer number (45082200).

Almost surely, 2^513123063 is an apocalyptic number.

513123063 is a deficient number, since it is larger than the sum of its proper divisors (208192137).

513123063 is a wasteful number, since it uses less digits than its factorization.

513123063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14302.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 513123063 is about 22652.2198249973. The cubic root of 513123063 is about 800.5845014893.

Adding to 513123063 its reverse (360321315), we get a palindrome (873444378).

The spelling of 513123063 in words is "five hundred thirteen million, one hundred twenty-three thousand, sixty-three".