23478843 has 4 divisors (see below), whose sum is σ = 31305128. Its totient is φ = 15652560.

The previous prime is 23478827. The next prime is 23478857. The reversal of 23478843 is 34887432.

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

It is not a de Polignac number, because 23478843 - 2⁴ = 23478827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23471843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3913138 + ... + 3913143.

It is an arithmetic number, because the mean of its divisors is an integer number (7826282).

Almost surely, 2^23478843 is an apocalyptic number.

23478843 is a deficient number, since it is larger than the sum of its proper divisors (7826285).

23478843 is an equidigital number, since it uses as much as digits as its factorization.

23478843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826284.

The product of its digits is 129024, while the sum is 39.

The square root of 23478843 is about 4845.4971881119. The cubic root of 23478843 is about 286.3467317353.

The spelling of 23478843 in words is "twenty-three million, four hundred seventy-eight thousand, eight hundred forty-three".