23000043 has 12 divisors (see below), whose sum is σ = 33708584. Its totient is φ = 13939200.

The previous prime is 23000027. The next prime is 23000059. The reversal of 23000043 is 34000032.

It is an interprime number because it is at equal distance from previous prime (23000027) and next prime (23000059).

It is not a de Polignac number, because 23000043 - 2⁴ = 23000027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22999992 and 23000028.

It is not an unprimeable number, because it can be changed into a prime (23000093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31318 + ... + 32043.

Almost surely, 2^23000043 is an apocalyptic number.

23000043 is a deficient number, since it is larger than the sum of its proper divisors (10708541).

23000043 is a wasteful number, since it uses less digits than its factorization.

23000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63386 (or 63375 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23000043 is about 4795.8360063705. The cubic root of 23000043 is about 284.3868752115.

Adding to 23000043 its reverse (34000032), we get a palindrome (57000075).

The spelling of 23000043 in words is "twenty-three million, forty-three", and thus it is an aban number and an uban number.