23423544 has 48 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 7736064.

The previous prime is 23423537. The next prime is 23423549. The reversal of 23423544 is 44532432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6697 + ... + 9575.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^23423544 is an apocalyptic number.

23423544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23423544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32011200).

23423544 is an abundant number, since it is smaller than the sum of its proper divisors (40598856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23423544 is a wasteful number, since it uses less digits than its factorization.

23423544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 2997 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 23423544 is about 4839.7875986452. The cubic root of 23423544 is about 286.1217471132.

Adding to 23423544 its reverse (44532432), we get a palindrome (67955976).

It can be divided in two parts, 2342 and 3544, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 23423544 in words is "twenty-three million, four hundred twenty-three thousand, five hundred forty-four".