50023203145 has 4 divisors (see below), whose sum is σ = 60027843780. Its totient is φ = 40018562512.

The previous prime is 50023203143. The next prime is 50023203157. The reversal of 50023203145 is 54130232005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54130232005 = 5 ⋅10826046401.

It can be written as a sum of positive squares in 2 ways, for example, as 19416750336 + 30606452809 = 139344^2 + 174947^2 .

It is a cyclic number.

It is not a de Polignac number, because 50023203145 - 2¹ = 50023203143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50023203143) 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, 5002320310 + ... + 5002320319.

It is an arithmetic number, because the mean of its divisors is an integer number (15006960945).

Almost surely, 2^50023203145 is an apocalyptic number.

It is an amenable number.

50023203145 is a deficient number, since it is larger than the sum of its proper divisors (10004640635).

50023203145 is a wasteful number, since it uses less digits than its factorization.

50023203145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004640634.

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 50023203145 in words is "fifty billion, twenty-three million, two hundred three thousand, one hundred forty-five".