23527240 has 48 divisors (see below), whose sum is σ = 58198140. Its totient is φ = 8553600.

The previous prime is 23527237. The next prime is 23527277. The reversal of 23527240 is 4272532.

It can be written as a sum of positive squares in 2 ways, for example, as 22791076 + 736164 = 4774^2 + 858^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2410 + ... + 7270.

Almost surely, 2^23527240 is an apocalyptic number.

23527240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23527240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29099070).

23527240 is an abundant number, since it is smaller than the sum of its proper divisors (34670900).

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

23527240 is a wasteful number, since it uses less digits than its factorization.

23527240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894 (or 4879 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23527240 is about 4850.4886351789. The cubic root of 23527240 is about 286.5433457905.

Adding to 23527240 its reverse (4272532), we get a palindrome (27799772).

It can be divided in two parts, 23527 and 240, that multiplied together give a triangular number (5646480 = T₃₃₆₀).

The spelling of 23527240 in words is "twenty-three million, five hundred twenty-seven thousand, two hundred forty".