23578452 has 60 divisors (see below), whose sum is σ = 62701716. Its totient is φ = 7724160.

The previous prime is 23578447. The next prime is 23578453. The reversal of 23578452 is 25487532.

It can be written as a sum of positive squares in 2 ways, for example, as 5225796 + 18352656 = 2286^2 + 4284^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23578453) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19168 + ... + 20360.

Almost surely, 2^23578452 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 23578452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31350858).

23578452 is an abundant number, since it is smaller than the sum of its proper divisors (39123264).

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

23578452 is a wasteful number, since it uses less digits than its factorization.

23578452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1259 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 23578452 is about 4855.7648213232. The cubic root of 23578452 is about 286.7511024636.

It can be divided in two parts, 235 and 78452, that added together give a palindrome (78687).

The spelling of 23578452 in words is "twenty-three million, five hundred seventy-eight thousand, four hundred fifty-two".