23043331 has 4 divisors (see below), whose sum is σ = 23060664. Its totient is φ = 23026000.

The previous prime is 23043329. The next prime is 23043343. The reversal of 23043331 is 13334032.

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

It is a cyclic number.

It is not a de Polignac number, because 23043331 - 2¹ = 23043329 is a prime.

It is a super-2 number, since 2×23043331² = 1061990207151122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23043299 and 23043308.

It is not an unprimeable number, because it can be changed into a prime (23044331) 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, 6490 + ... + 9391.

It is an arithmetic number, because the mean of its divisors is an integer number (5765166).

Almost surely, 2^23043331 is an apocalyptic number.

23043331 is a deficient number, since it is larger than the sum of its proper divisors (17333).

23043331 is a wasteful number, since it uses less digits than its factorization.

23043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17332.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 23043331 is about 4800.3469666265. The cubic root of 23043331 is about 284.5651766748.

Adding to 23043331 its reverse (13334032), we get a palindrome (36377363).

The spelling of 23043331 in words is "twenty-three million, forty-three thousand, three hundred thirty-one".