23055444 has 72 divisors (see below), whose sum is σ = 61198592. Its totient is φ = 7309440.

The previous prime is 23055443. The next prime is 23055449. The reversal of 23055444 is 44455032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055443) 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, 81327 + ... + 81609.

Almost surely, 2^23055444 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 23055444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30599296).

23055444 is an abundant number, since it is smaller than the sum of its proper divisors (38143148).

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

23055444 is a wasteful number, since it uses less digits than its factorization.

23055444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 23055444 is about 4801.6084804990. The cubic root of 23055444 is about 284.6150296263.

The spelling of 23055444 in words is "twenty-three million, fifty-five thousand, four hundred forty-four".