47731215523 has 8 divisors (see below), whose sum is σ = 48528595856. Its totient is φ = 46934316000.

The previous prime is 47731215473. The next prime is 47731215529. The reversal of 47731215523 is 32551213774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47731215523 - 2⁹ = 47731215011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47731215529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82840 + ... + 319882.

It is an arithmetic number, because the mean of its divisors is an integer number (6066074482).

Almost surely, 2^47731215523 is an apocalyptic number.

47731215523 is a deficient number, since it is larger than the sum of its proper divisors (797380333).

47731215523 is a wasteful number, since it uses less digits than its factorization.

47731215523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240405.

The product of its digits is 176400, while the sum is 40.

The spelling of 47731215523 in words is "forty-seven billion, seven hundred thirty-one million, two hundred fifteen thousand, five hundred twenty-three".