23043413 has 4 divisors (see below), whose sum is σ = 23258880. Its totient is φ = 22827948.

The previous prime is 23043407. The next prime is 23043437. The reversal of 23043413 is 31434032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23043413 - 2⁸ = 23043157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043403) 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, 107573 + ... + 107786.

It is an arithmetic number, because the mean of its divisors is an integer number (5814720).

Almost surely, 2^23043413 is an apocalyptic number.

It is an amenable number.

23043413 is a deficient number, since it is larger than the sum of its proper divisors (215467).

23043413 is a wasteful number, since it uses less digits than its factorization.

23043413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215466.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 23043413 is about 4800.3555076682. The cubic root of 23043413 is about 284.5655142174.

Adding to 23043413 its reverse (31434032), we get a palindrome (54477445).

The spelling of 23043413 in words is "twenty-three million, forty-three thousand, four hundred thirteen".