23138048 has 72 divisors (see below), whose sum is σ = 50037120. Its totient is φ = 10644480.

The previous prime is 23138047. The next prime is 23138057. The reversal of 23138048 is 84083132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23138048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23138041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325853 + ... + 325923.

It is an arithmetic number, because the mean of its divisors is an integer number (694960).

Almost surely, 2^23138048 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 23138048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25018560).

23138048 is an abundant number, since it is smaller than the sum of its proper divisors (26899072).

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

23138048 is an equidigital number, since it uses as much as digits as its factorization.

23138048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 23138048 is about 4810.2024905403. The cubic root of 23138048 is about 284.9545346577.

The spelling of 23138048 in words is "twenty-three million, one hundred thirty-eight thousand, forty-eight".