23045472 has 120 divisors (see below), whose sum is σ = 71900136. Its totient is φ = 7216128.

The previous prime is 23045467. The next prime is 23045479. The reversal of 23045472 is 27454032.

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 (23045479) 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 19 ways as a sum of consecutive naturals, for example, 43803 + ... + 44325.

Almost surely, 2^23045472 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 23045472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35950068).

23045472 is an abundant number, since it is smaller than the sum of its proper divisors (48854664).

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

23045472 is a wasteful number, since it uses less digits than its factorization.

23045472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 23045472 is about 4800.5699661603. The cubic root of 23045472 is about 284.5739895670.

It can be divided in two parts, 2304 and 5472, that added together give a 5-th power (7776 = 6⁵).

The spelling of 23045472 in words is "twenty-three million, forty-five thousand, four hundred seventy-two".