50143223 has 16 divisors (see below), whose sum is σ = 57506400. Its totient is φ = 43338240.

The previous prime is 50143199. The next prime is 50143229. The reversal of 50143223 is 32234105.

It is a happy number.

It is not a de Polignac number, because 50143223 - 2¹⁸ = 49881079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50143195 and 50143204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50143229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20843 + ... + 23123.

It is an arithmetic number, because the mean of its divisors is an integer number (3594150).

Almost surely, 2^50143223 is an apocalyptic number.

50143223 is a deficient number, since it is larger than the sum of its proper divisors (7363177).

50143223 is a wasteful number, since it uses less digits than its factorization.

50143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 50143223 is about 7081.1879653064. The cubic root of 50143223 is about 368.7545732268.

Adding to 50143223 its reverse (32234105), we get a palindrome (82377328).

The spelling of 50143223 in words is "fifty million, one hundred forty-three thousand, two hundred twenty-three".