23478841 has 4 divisors (see below), whose sum is σ = 23921892. Its totient is φ = 23035792.

The previous prime is 23478827. The next prime is 23478857. The reversal of 23478841 is 14887432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13213225 + 10265616 = 3635^2 + 3204^2 .

It is a cyclic number.

It is not a de Polignac number, because 23478841 - 2⁵ = 23478809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23478841.

It is not an unprimeable number, because it can be changed into a prime (23478821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221446 + ... + 221551.

It is an arithmetic number, because the mean of its divisors is an integer number (5980473).

Almost surely, 2^23478841 is an apocalyptic number.

It is an amenable number.

23478841 is a deficient number, since it is larger than the sum of its proper divisors (443051).

23478841 is an equidigital number, since it uses as much as digits as its factorization.

23478841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443050.

The product of its digits is 43008, while the sum is 37.

The square root of 23478841 is about 4845.4969817347. The cubic root of 23478841 is about 286.3467236047.

It can be divided in two parts, 23 and 478841, that added together give a square (478864 = 692²).

The spelling of 23478841 in words is "twenty-three million, four hundred seventy-eight thousand, eight hundred forty-one".