23449144 has 32 divisors (see below), whose sum is σ = 47370240. Its totient is φ = 10850400.

The previous prime is 23449141. The next prime is 23449159. The reversal of 23449144 is 44194432.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23449141) 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 7 ways as a sum of consecutive naturals, for example, 3649 + ... + 7759.

It is an arithmetic number, because the mean of its divisors is an integer number (1480320).

Almost surely, 2^23449144 is an apocalyptic number.

It is an amenable number.

23449144 is an abundant number, since it is smaller than the sum of its proper divisors (23921096).

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

23449144 is a wasteful number, since it uses less digits than its factorization.

23449144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171 (or 4167 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 23449144 is about 4842.4316205807. The cubic root of 23449144 is about 286.2259449793.

The spelling of 23449144 in words is "twenty-three million, four hundred forty-nine thousand, one hundred forty-four".