50142423 has 4 divisors (see below), whose sum is σ = 66856568. Its totient is φ = 33428280.

The previous prime is 50142413. The next prime is 50142451. The reversal of 50142423 is 32424105.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50142423 - 2¹² = 50138327 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 50142423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50142413) 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 3 ways as a sum of consecutive naturals, for example, 8357068 + ... + 8357073.

It is an arithmetic number, because the mean of its divisors is an integer number (16714142).

Almost surely, 2^50142423 is an apocalyptic number.

50142423 is a deficient number, since it is larger than the sum of its proper divisors (16714145).

50142423 is a wasteful number, since it uses less digits than its factorization.

50142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16714144.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 50142423 is about 7081.1314773841. The cubic root of 50142423 is about 368.7526121428.

Adding to 50142423 its reverse (32424105), we get a palindrome (82566528).

It can be divided in two parts, 501 and 42423, that added together give a palindrome (42924).

The spelling of 50142423 in words is "fifty million, one hundred forty-two thousand, four hundred twenty-three".