23940847 has 4 divisors (see below), whose sum is σ = 27360976. Its totient is φ = 20520720.

The previous prime is 23940827. The next prime is 23940877. The reversal of 23940847 is 74804932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23940847 - 2¹¹ = 23938799 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 (23940827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710054 + ... + 1710067.

It is an arithmetic number, because the mean of its divisors is an integer number (6840244).

Almost surely, 2^23940847 is an apocalyptic number.

23940847 is a deficient number, since it is larger than the sum of its proper divisors (3420129).

23940847 is an equidigital number, since it uses as much as digits as its factorization.

23940847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420128.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 23940847 is about 4892.9384831612. The cubic root of 23940847 is about 288.2127374619.

The spelling of 23940847 in words is "twenty-three million, nine hundred forty thousand, eight hundred forty-seven".