516407323 has 2 divisors, whose sum is σ = 516407324. Its totient is φ = 516407322.

The previous prime is 516407291. The next prime is 516407357. The reversal of 516407323 is 323704615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516407323 - 2⁵ = 516407291 is a prime.

It is not a weakly prime, because it can be changed into another prime (516402323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258203661 + 258203662.

It is an arithmetic number, because the mean of its divisors is an integer number (258203662).

Almost surely, 2^516407323 is an apocalyptic number.

516407323 is a deficient number, since it is larger than the sum of its proper divisors (1).

516407323 is an equidigital number, since it uses as much as digits as its factorization.

516407323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 516407323 is about 22724.5973121638. The cubic root of 516407323 is about 802.2889255083.

The spelling of 516407323 in words is "five hundred sixteen million, four hundred seven thousand, three hundred twenty-three".