23041405 has 4 divisors (see below), whose sum is σ = 27649692. Its totient is φ = 18433120.

The previous prime is 23041393. The next prime is 23041427. The reversal of 23041405 is 50414032.

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 13344409 + 9696996 = 3653^2 + 3114^2 .

It is not a de Polignac number, because 23041405 - 2⁵ = 23041373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2304136 + ... + 2304145.

It is an arithmetic number, because the mean of its divisors is an integer number (6912423).

Almost surely, 2^23041405 is an apocalyptic number.

It is an amenable number.

23041405 is a deficient number, since it is larger than the sum of its proper divisors (4608287).

23041405 is an equidigital number, since it uses as much as digits as its factorization.

23041405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608286.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23041405 is about 4800.1463519355. The cubic root of 23041405 is about 284.5572483100.

Adding to 23041405 its reverse (50414032), we get a palindrome (73455437).

The spelling of 23041405 in words is "twenty-three million, forty-one thousand, four hundred five".