47765123103 has 4 divisors (see below), whose sum is σ = 63686830808. Its totient is φ = 31843415400.

The previous prime is 47765123089. The next prime is 47765123129. The reversal of 47765123103 is 30132156774.

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

It is not a de Polignac number, because 47765123103 - 2¹⁰ = 47765122079 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 (47765123143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7960853848 + ... + 7960853853.

It is an arithmetic number, because the mean of its divisors is an integer number (15921707702).

Almost surely, 2^47765123103 is an apocalyptic number.

47765123103 is a deficient number, since it is larger than the sum of its proper divisors (15921707705).

47765123103 is a wasteful number, since it uses less digits than its factorization.

47765123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15921707704.

The product of its (nonzero) digits is 105840, while the sum is 39.

Adding to 47765123103 its reverse (30132156774), we get a palindrome (77897279877).

The spelling of 47765123103 in words is "forty-seven billion, seven hundred sixty-five million, one hundred twenty-three thousand, one hundred three".