47123999 has 8 divisors (see below), whose sum is σ = 52386432. Its totient is φ = 42095520.

The previous prime is 47123969. The next prime is 47124013. The reversal of 47123999 is 99932174.

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

It is not a de Polignac number, because 47123999 - 2¹⁶ = 47058463 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 (47123959) 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, 58064 + ... + 58869.

It is an arithmetic number, because the mean of its divisors is an integer number (6548304).

Almost surely, 2^47123999 is an apocalyptic number.

47123999 is a deficient number, since it is larger than the sum of its proper divisors (5262433).

47123999 is a wasteful number, since it uses less digits than its factorization.

47123999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116977.

The product of its digits is 122472, while the sum is 44.

The square root of 47123999 is about 6864.6921999460. The cubic root of 47123999 is about 361.1996986990.

The spelling of 47123999 in words is "forty-seven million, one hundred twenty-three thousand, nine hundred ninety-nine".