23045556 has 48 divisors (see below), whose sum is σ = 57565760. Its totient is φ = 7153920.

The previous prime is 23045497. The next prime is 23045573. The reversal of 23045556 is 65554032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13080 + ... + 14736.

Almost surely, 2^23045556 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 23045556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28782880).

23045556 is an abundant number, since it is smaller than the sum of its proper divisors (34520204).

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

23045556 is a wasteful number, since it uses less digits than its factorization.

23045556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 23045556 is about 4800.5787151134. The cubic root of 23045556 is about 284.5743353209.

Adding to 23045556 its reverse (65554032), we get a palindrome (88599588).

The spelling of 23045556 in words is "twenty-three million, forty-five thousand, five hundred fifty-six".