47181347601423 has 48 divisors (see below), whose sum is σ = 77485743777024. Its totient is φ = 25374236563200.

The previous prime is 47181347601379. The next prime is 47181347601463. The reversal of 47181347601423 is 32410674318174.

It is a Cunningham number, because it is equal to 6868868²-1.

It is not a de Polignac number, because 47181347601423 - 2¹⁰ = 47181347600399 is a prime.

It is a super-2 number, since 2×47181347601423² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47181347601463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116568748 + ... + 116972798.

It is an arithmetic number, because the mean of its divisors is an integer number (1614286328688).

Almost surely, 2^{47181347601423} is an apocalyptic number.

47181347601423 is a deficient number, since it is larger than the sum of its proper divisors (30304396175601).

47181347601423 is a wasteful number, since it uses less digits than its factorization.

47181347601423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450812 (or 450805 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 47181347601423 in words is "forty-seven trillion, one hundred eighty-one billion, three hundred forty-seven million, six hundred one thousand, four hundred twenty-three".