23105043 has 12 divisors (see below), whose sum is σ = 35941360. Its totient is φ = 14218416.

The previous prime is 23105039. The next prime is 23105053. The reversal of 23105043 is 34050132.

It is not a de Polignac number, because 23105043 - 2² = 23105039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23105053) 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, 98623 + ... + 98856.

Almost surely, 2^23105043 is an apocalyptic number.

23105043 is a deficient number, since it is larger than the sum of its proper divisors (12836317).

23105043 is a wasteful number, since it uses less digits than its factorization.

23105043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197498 (or 197495 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23105043 is about 4806.7705374815. The cubic root of 23105043 is about 284.8189801544.

Adding to 23105043 its reverse (34050132), we get a palindrome (57155175).

The spelling of 23105043 in words is "twenty-three million, one hundred five thousand, forty-three".