505201423103 has 32 divisors (see below), whose sum is σ = 561091829760. Its totient is φ = 451953665280.

The previous prime is 505201423099. The next prime is 505201423109. The reversal of 505201423103 is 301324102505.

It is a happy number.

It is not a de Polignac number, because 505201423103 - 2² = 505201423099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505201423109) 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, 38333051 + ... + 38346227.

It is an arithmetic number, because the mean of its divisors is an integer number (17534119680).

Almost surely, 2^505201423103 is an apocalyptic number.

505201423103 is a deficient number, since it is larger than the sum of its proper divisors (55890406657).

505201423103 is a wasteful number, since it uses less digits than its factorization.

505201423103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13847.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 505201423103 its reverse (301324102505), we get a palindrome (806525525608).

The spelling of 505201423103 in words is "five hundred five billion, two hundred one million, four hundred twenty-three thousand, one hundred three".