512200416523 has 4 divisors (see below), whose sum is σ = 514023194088. Its totient is φ = 510377638960.

The previous prime is 512200416509. The next prime is 512200416569. The reversal of 512200416523 is 325614002215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512200416523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512200416023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911388361 + ... + 911388922.

It is an arithmetic number, because the mean of its divisors is an integer number (128505798522).

Almost surely, 2^512200416523 is an apocalyptic number.

512200416523 is a deficient number, since it is larger than the sum of its proper divisors (1822777565).

512200416523 is a wasteful number, since it uses less digits than its factorization.

512200416523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822777564.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 512200416523 its reverse (325614002215), we get a palindrome (837814418738).

The spelling of 512200416523 in words is "five hundred twelve billion, two hundred million, four hundred sixteen thousand, five hundred twenty-three".