516123023 has 16 divisors (see below), whose sum is σ = 571017216. Its totient is φ = 463488480.

The previous prime is 516123007. The next prime is 516123053. The reversal of 516123023 is 320321615.

It is not a de Polignac number, because 516123023 - 2⁴ = 516123007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516123023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516123053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149786 + ... + 153192.

It is an arithmetic number, because the mean of its divisors is an integer number (35688576).

Almost surely, 2^516123023 is an apocalyptic number.

516123023 is a deficient number, since it is larger than the sum of its proper divisors (54894193).

516123023 is a wasteful number, since it uses less digits than its factorization.

516123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 516123023 is about 22718.3411146149. The cubic root of 516123023 is about 802.1416692622.

Adding to 516123023 its reverse (320321615), we get a palindrome (836444638).

The spelling of 516123023 in words is "five hundred sixteen million, one hundred twenty-three thousand, twenty-three".