47197553823 has 32 divisors (see below), whose sum is σ = 80325312000. Its totient is φ = 26830268928.

The previous prime is 47197553797. The next prime is 47197553867. The reversal of 47197553823 is 32835579174.

47197553823 is a `hidden beast` number, since 4 + 7 + 1 + 9 + 7 + 553 + 82 + 3 = 666.

It is not a de Polignac number, because 47197553823 - 2⁶ = 47197553759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47197553823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47197553023) 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, 610473 + ... + 683426.

It is an arithmetic number, because the mean of its divisors is an integer number (2510166000).

Almost surely, 2^47197553823 is an apocalyptic number.

47197553823 is a deficient number, since it is larger than the sum of its proper divisors (33127758177).

47197553823 is a wasteful number, since it uses less digits than its factorization.

47197553823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294108 (or 1294102 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 47197553823 in words is "forty-seven billion, one hundred ninety-seven million, five hundred fifty-three thousand, eight hundred twenty-three".