23144423 has 4 divisors (see below), whose sum is σ = 23220120. Its totient is φ = 23068728.

The previous prime is 23144419. The next prime is 23144441. The reversal of 23144423 is 32444132.

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 23144423 - 2² = 23144419 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 (23144483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37388 + ... + 38001.

It is an arithmetic number, because the mean of its divisors is an integer number (5805030).

Almost surely, 2^23144423 is an apocalyptic number.

23144423 is a deficient number, since it is larger than the sum of its proper divisors (75697).

23144423 is an equidigital number, since it uses as much as digits as its factorization.

23144423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75696.

The product of its digits is 2304, while the sum is 23.

The square root of 23144423 is about 4810.8650989193. The cubic root of 23144423 is about 284.9807024997.

Adding to 23144423 its reverse (32444132), we get a palindrome (55588555).

The spelling of 23144423 in words is "twenty-three million, one hundred forty-four thousand, four hundred twenty-three".