506943123 has 16 divisors (see below), whose sum is σ = 723168000. Its totient is φ = 314923680.

The previous prime is 506943119. The next prime is 506943127. The reversal of 506943123 is 321349605.

It is an interprime number because it is at equal distance from previous prime (506943119) and next prime (506943127).

It is not a de Polignac number, because 506943123 - 2² = 506943119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506943127) 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, 69423 + ... + 76376.

It is an arithmetic number, because the mean of its divisors is an integer number (45198000).

Almost surely, 2^506943123 is an apocalyptic number.

506943123 is a deficient number, since it is larger than the sum of its proper divisors (216224877).

506943123 is a wasteful number, since it uses less digits than its factorization.

506943123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145882.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 506943123 is about 22515.3974648461. The cubic root of 506943123 is about 797.3574909387.

The spelling of 506943123 in words is "five hundred six million, nine hundred forty-three thousand, one hundred twenty-three".