23115463 has 4 divisors (see below), whose sum is σ = 26417680. Its totient is φ = 19813248.

The previous prime is 23115451. The next prime is 23115497. The reversal of 23115463 is 36451132.

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

It is a de Polignac number, because none of the positive numbers 2^k-23115463 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 (23115403) 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, 1651098 + ... + 1651111.

It is an arithmetic number, because the mean of its divisors is an integer number (6604420).

Almost surely, 2^23115463 is an apocalyptic number.

23115463 is a deficient number, since it is larger than the sum of its proper divisors (3302217).

23115463 is an equidigital number, since it uses as much as digits as its factorization.

23115463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302216.

The product of its digits is 2160, while the sum is 25.

The square root of 23115463 is about 4807.8543031169. The cubic root of 23115463 is about 284.8617899679.

Adding to 23115463 its reverse (36451132), we get a palindrome (59566595).

The spelling of 23115463 in words is "twenty-three million, one hundred fifteen thousand, four hundred sixty-three".