512030423 has 4 divisors (see below), whose sum is σ = 512078520. Its totient is φ = 511982328.

The previous prime is 512030371. The next prime is 512030473. The reversal of 512030423 is 324030215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 512030423 - 2¹⁴ = 512014039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512030395 and 512030404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512030473) 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, 188 + ... + 32001.

It is an arithmetic number, because the mean of its divisors is an integer number (128019630).

Almost surely, 2^512030423 is an apocalyptic number.

512030423 is a deficient number, since it is larger than the sum of its proper divisors (48097).

512030423 is a wasteful number, since it uses less digits than its factorization.

512030423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48096.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 512030423 is about 22628.0892476585. The cubic root of 512030423 is about 800.0158449987.

Adding to 512030423 its reverse (324030215), we get a palindrome (836060638).

The spelling of 512030423 in words is "five hundred twelve million, thirty thousand, four hundred twenty-three".