23453144 has 96 divisors (see below), whose sum is σ = 55339200. Its totient is φ = 9210240.

The previous prime is 23453137. The next prime is 23453147. The reversal of 23453144 is 44135432.

It is a Harshad number since it is a multiple of its sum of digits (26).

Its product of digits (5760) is a multiple of the sum of its prime divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23453147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282527 + ... + 282609.

It is an arithmetic number, because the mean of its divisors is an integer number (576450).

Almost surely, 2^23453144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23453144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27669600).

23453144 is an abundant number, since it is smaller than the sum of its proper divisors (31886056).

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

23453144 is a wasteful number, since it uses less digits than its factorization.

23453144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 128 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 23453144 is about 4842.8446186100. The cubic root of 23453144 is about 286.2422190444.

Adding to 23453144 its reverse (44135432), we get a palindrome (67588576).

The spelling of 23453144 in words is "twenty-three million, four hundred fifty-three thousand, one hundred forty-four".