23143623 has 4 divisors (see below), whose sum is σ = 30858168. Its totient is φ = 15429080.

The previous prime is 23143607. The next prime is 23143667. The reversal of 23143623 is 32634132.

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 23143623 - 2⁴ = 23143607 is a prime.

It is a super-2 number, since 2×23143623² = 1071254571132258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23143593 and 23143602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3857268 + ... + 3857273.

It is an arithmetic number, because the mean of its divisors is an integer number (7714542).

Almost surely, 2^23143623 is an apocalyptic number.

23143623 is a deficient number, since it is larger than the sum of its proper divisors (7714545).

23143623 is an equidigital number, since it uses as much as digits as its factorization.

23143623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714544.

The product of its digits is 2592, while the sum is 24.

The square root of 23143623 is about 4810.7819530717. The cubic root of 23143623 is about 284.9774189558.

Adding to 23143623 its reverse (32634132), we get a palindrome (55777755).

The spelling of 23143623 in words is "twenty-three million, one hundred forty-three thousand, six hundred twenty-three".