512400523 has 8 divisors (see below), whose sum is σ = 522675200. Its totient is φ = 502203240.

The previous prime is 512400521. The next prime is 512400527. The reversal of 512400523 is 325004215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512400523 - 2¹ = 512400521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512400494 and 512400503.

It is not an unprimeable number, because it can be changed into a prime (512400521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5883 + ... + 32548.

It is an arithmetic number, because the mean of its divisors is an integer number (65334400).

Almost surely, 2^512400523 is an apocalyptic number.

512400523 is a deficient number, since it is larger than the sum of its proper divisors (10274677).

512400523 is a wasteful number, since it uses less digits than its factorization.

512400523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38697.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 512400523 is about 22636.2656593352. The cubic root of 512400523 is about 800.2085513574.

Adding to 512400523 its reverse (325004215), we get a palindrome (837404738).

The spelling of 512400523 in words is "five hundred twelve million, four hundred thousand, five hundred twenty-three".