506161423 has 8 divisors (see below), whose sum is σ = 517134240. Its totient is φ = 495306240.

The previous prime is 506161363. The next prime is 506161457. The reversal of 506161423 is 324161605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506161423 - 2²¹ = 504064271 is a prime.

It is a super-2 number, since 2×506161423² = 512398772266769858, 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 = 506161391 and 506161400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506164423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20683 + ... + 37948.

It is an arithmetic number, because the mean of its divisors is an integer number (64641780).

Almost surely, 2^506161423 is an apocalyptic number.

506161423 is a deficient number, since it is larger than the sum of its proper divisors (10972817).

506161423 is an equidigital number, since it uses as much as digits as its factorization.

506161423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58817.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 506161423 is about 22498.0315361144. The cubic root of 506161423 is about 796.9474416532.

The spelling of 506161423 in words is "five hundred six million, one hundred sixty-one thousand, four hundred twenty-three".