23500047 has 8 divisors (see below), whose sum is σ = 32000256. Its totient is φ = 15333272.

The previous prime is 23500031. The next prime is 23500091. The reversal of 23500047 is 74000532.

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 23500047 - 2⁴ = 23500031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23499996 and 23500032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23500247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83193 + ... + 83474.

It is an arithmetic number, because the mean of its divisors is an integer number (4000032).

Almost surely, 2^23500047 is an apocalyptic number.

23500047 is a deficient number, since it is larger than the sum of its proper divisors (8500209).

23500047 is a wasteful number, since it uses less digits than its factorization.

23500047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166717.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 23500047 is about 4847.6847050938. The cubic root of 23500047 is about 286.4329067541.

Adding to 23500047 its reverse (74000532), we get a palindrome (97500579).

The spelling of 23500047 in words is "twenty-three million, five hundred thousand, forty-seven".