23105473 has 4 divisors (see below), whose sum is σ = 23321520. Its totient is φ = 22889428.

The previous prime is 23105471. The next prime is 23105477. The reversal of 23105473 is 37450132.

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 23105473 - 2¹ = 23105471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23105471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107863 + ... + 108076.

It is an arithmetic number, because the mean of its divisors is an integer number (5830380).

Almost surely, 2^23105473 is an apocalyptic number.

It is an amenable number.

23105473 is a deficient number, since it is larger than the sum of its proper divisors (216047).

23105473 is a wasteful number, since it uses less digits than its factorization.

23105473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216046.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 23105473 is about 4806.8152658491. The cubic root of 23105473 is about 284.8207470328.

The spelling of 23105473 in words is "twenty-three million, one hundred five thousand, four hundred seventy-three".