23543465 has 16 divisors (see below), whose sum is σ = 31285440. Its totient is φ = 16864320.

The previous prime is 23543423. The next prime is 23543483. The reversal of 23543465 is 56434532.

It is not a de Polignac number, because 23543465 - 2¹⁴ = 23527081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (1955340).

Almost surely, 2^23543465 is an apocalyptic number.

It is an amenable number.

23543465 is a deficient number, since it is larger than the sum of its proper divisors (7741975).

23543465 is a wasteful number, since it uses less digits than its factorization.

23543465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472.

The product of its digits is 43200, while the sum is 32.

The square root of 23543465 is about 4852.1608588339. The cubic root of 23543465 is about 286.6091999163.

Adding to 23543465 its reverse (56434532), we get a palindrome (79977997).

The spelling of 23543465 in words is "twenty-three million, five hundred forty-three thousand, four hundred sixty-five".