23340463 has 4 divisors (see below), whose sum is σ = 23508520. Its totient is φ = 23172408.

The previous prime is 23340437. The next prime is 23340467. The reversal of 23340463 is 36404332.

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

It is a cyclic number.

It is not a de Polignac number, because 23340463 - 2⁹ = 23339951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340467) 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, 83820 + ... + 84097.

It is an arithmetic number, because the mean of its divisors is an integer number (5877130).

Almost surely, 2^23340463 is an apocalyptic number.

23340463 is a deficient number, since it is larger than the sum of its proper divisors (168057).

23340463 is a wasteful number, since it uses less digits than its factorization.

23340463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168056.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 23340463 is about 4831.1968496430. The cubic root of 23340463 is about 285.7830645014.

Adding to 23340463 its reverse (36404332), we get a palindrome (59744795).

The spelling of 23340463 in words is "twenty-three million, three hundred forty thousand, four hundred sixty-three".