23049144 has 64 divisors (see below), whose sum is σ = 67802400. Its totient is φ = 7229952.

The previous prime is 23049137. The next prime is 23049149. The reversal of 23049144 is 44194032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23049149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534 + ... + 6810.

Almost surely, 2^23049144 is an apocalyptic number.

23049144 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 23049144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33901200).

23049144 is an abundant number, since it is smaller than the sum of its proper divisors (44753256).

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

23049144 is a wasteful number, since it uses less digits than its factorization.

23049144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23049144 is about 4800.9524055129. The cubic root of 23049144 is about 284.5891031678.

The spelling of 23049144 in words is "twenty-three million, forty-nine thousand, one hundred forty-four".