23543473 has 4 divisors (see below), whose sum is σ = 23558500. Its totient is φ = 23528448.

The previous prime is 23543423. The next prime is 23543483. The reversal of 23543473 is 37434532.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 14615329 = 2988^2 + 3823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23543473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23543423) 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, 4848 + ... + 8401.

It is an arithmetic number, because the mean of its divisors is an integer number (5889625).

Almost surely, 2^23543473 is an apocalyptic number.

It is an amenable number.

23543473 is a deficient number, since it is larger than the sum of its proper divisors (15027).

23543473 is a wasteful number, since it uses less digits than its factorization.

23543473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15026.

The product of its digits is 30240, while the sum is 31.

The square root of 23543473 is about 4852.1616832088. The cubic root of 23543473 is about 286.6092323793.

The spelling of 23543473 in words is "twenty-three million, five hundred forty-three thousand, four hundred seventy-three".