512980423 has 4 divisors (see below), whose sum is σ = 543155760. Its totient is φ = 482805088.

The previous prime is 512980379. The next prime is 512980441. The reversal of 512980423 is 324089215.

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-512980423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512980463) 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, 15087643 + ... + 15087676.

It is an arithmetic number, because the mean of its divisors is an integer number (135788940).

Almost surely, 2^512980423 is an apocalyptic number.

512980423 is a deficient number, since it is larger than the sum of its proper divisors (30175337).

512980423 is a wasteful number, since it uses less digits than its factorization.

512980423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30175336.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 512980423 is about 22649.0711288565. The cubic root of 512980423 is about 800.5103113878.

The spelling of 512980423 in words is "five hundred twelve million, nine hundred eighty thousand, four hundred twenty-three".