23163451 has 4 divisors (see below), whose sum is σ = 24382600. Its totient is φ = 21944304.

The previous prime is 23163419. The next prime is 23163463. The reversal of 23163451 is 15436132.

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 23163451 - 2⁵ = 23163419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23160451) 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, 609546 + ... + 609583.

It is an arithmetic number, because the mean of its divisors is an integer number (6095650).

Almost surely, 2^23163451 is an apocalyptic number.

23163451 is a deficient number, since it is larger than the sum of its proper divisors (1219149).

23163451 is a wasteful number, since it uses less digits than its factorization.

23163451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219148.

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

The square root of 23163451 is about 4812.8422995149. The cubic root of 23163451 is about 285.0587792993.

Adding to 23163451 its reverse (15436132), we get a palindrome (38599583).

The spelling of 23163451 in words is "twenty-three million, one hundred sixty-three thousand, four hundred fifty-one".