23463543 has 4 divisors (see below), whose sum is σ = 31284728. Its totient is φ = 15642360.

The previous prime is 23463529. The next prime is 23463551. The reversal of 23463543 is 34536432.

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

It is not a de Polignac number, because 23463543 - 2⁴ = 23463527 is a prime.

It is a super-2 number, since 2×23463543² = 1101075700225698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23463543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23463563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3910588 + ... + 3910593.

It is an arithmetic number, because the mean of its divisors is an integer number (7821182).

Almost surely, 2^23463543 is an apocalyptic number.

23463543 is a deficient number, since it is larger than the sum of its proper divisors (7821185).

23463543 is an equidigital number, since it uses as much as digits as its factorization.

23463543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821184.

The product of its digits is 25920, while the sum is 30.

The square root of 23463543 is about 4843.9181454686. The cubic root of 23463543 is about 286.2845188885.

Adding to 23463543 its reverse (34536432), we get a palindrome (57999975).

The spelling of 23463543 in words is "twenty-three million, four hundred sixty-three thousand, five hundred forty-three".