50003121623 has 32 divisors (see below), whose sum is σ = 61791206400. Its totient is φ = 39403284480.

The previous prime is 50003121607. The next prime is 50003121629. The reversal of 50003121623 is 32612130005.

It is not a de Polignac number, because 50003121623 - 2⁴ = 50003121607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50003121629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42125036 + ... + 42126222.

It is an arithmetic number, because the mean of its divisors is an integer number (1930975200).

Almost surely, 2^50003121623 is an apocalyptic number.

50003121623 is a deficient number, since it is larger than the sum of its proper divisors (11788084777).

50003121623 is a wasteful number, since it uses less digits than its factorization.

50003121623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 50003121623 its reverse (32612130005), we get a palindrome (82615251628).

The spelling of 50003121623 in words is "fifty billion, three million, one hundred twenty-one thousand, six hundred twenty-three".