512341723 has 4 divisors (see below), whose sum is σ = 512426200. Its totient is φ = 512257248.

The previous prime is 512341679. The next prime is 512341727. The reversal of 512341723 is 327143215.

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 512341723 - 2⁹ = 512341211 is a prime.

It is a super-2 number, since 2×512341723² = 524988082253217458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512341691 and 512341700.

It is not an unprimeable number, because it can be changed into a prime (512341727) 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, 32373 + ... + 45526.

It is an arithmetic number, because the mean of its divisors is an integer number (128106550).

Almost surely, 2^512341723 is an apocalyptic number.

512341723 is a deficient number, since it is larger than the sum of its proper divisors (84477).

512341723 is an equidigital number, since it uses as much as digits as its factorization.

512341723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84476.

The product of its digits is 5040, while the sum is 28.

The square root of 512341723 is about 22634.9668212701. The cubic root of 512341723 is about 800.1779411474.

Adding to 512341723 its reverse (327143215), we get a palindrome (839484938).

The spelling of 512341723 in words is "five hundred twelve million, three hundred forty-one thousand, seven hundred twenty-three".