23043513 has 8 divisors (see below), whose sum is σ = 30776800. Its totient is φ = 15336288.

The previous prime is 23043497. The next prime is 23043529. The reversal of 23043513 is 31534032.

It is an interprime number because it is at equal distance from previous prime (23043497) and next prime (23043529).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23043513 - 2⁴ = 23043497 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 23043513.

It is not an unprimeable number, because it can be changed into a prime (23043533) 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 7 ways as a sum of consecutive naturals, for example, 4348 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (3847100).

Almost surely, 2^23043513 is an apocalyptic number.

It is an amenable number.

23043513 is a deficient number, since it is larger than the sum of its proper divisors (7733287).

23043513 is a wasteful number, since it uses less digits than its factorization.

23043513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13031.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23043513 is about 4800.3659235521. The cubic root of 23043513 is about 284.5659258536.

Adding to 23043513 its reverse (31534032), we get a palindrome (54577545).

The spelling of 23043513 in words is "twenty-three million, forty-three thousand, five hundred thirteen".