512434310431223 has 4 divisors (see below), whose sum is σ = 516969127337808. Its totient is φ = 507899493524640.

The previous prime is 512434310431213. The next prime is 512434310431249. The reversal of 512434310431223 is 322134013434215.

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

It is a cyclic number.

It is not a de Polignac number, because 512434310431223 - 2¹⁸ = 512434310169079 is a prime.

It is a super-2 number, since 2×512434310431223² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512434310431213) 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, 2267408453123 + ... + 2267408453348.

It is an arithmetic number, because the mean of its divisors is an integer number (129242281834452).

Almost surely, 2^{512434310431223} is an apocalyptic number.

512434310431223 is a deficient number, since it is larger than the sum of its proper divisors (4534816906585).

512434310431223 is a wasteful number, since it uses less digits than its factorization.

512434310431223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534816906584.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 512434310431223 its reverse (322134013434215), we get a palindrome (834568323865438).

The spelling of 512434310431223 in words is "five hundred twelve trillion, four hundred thirty-four billion, three hundred ten million, four hundred thirty-one thousand, two hundred twenty-three".