23252436 has 18 divisors (see below), whose sum is σ = 58777082. Its totient is φ = 7750800.

The previous prime is 23252393. The next prime is 23252441. The reversal of 23252436 is 63425232.

It can be written as a sum of positive squares in only one way, i.e., 14288400 + 8964036 = 3780^2 + 2994^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 322915 + ... + 322986.

Almost surely, 2^23252436 is an apocalyptic number.

It is an amenable number.

23252436 is an abundant number, since it is smaller than the sum of its proper divisors (35524646).

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

23252436 is a wasteful number, since it uses less digits than its factorization.

23252436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645911 (or 645906 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 23252436 is about 4822.0779753131. The cubic root of 23252436 is about 285.4233413065.

Adding to 23252436 its reverse (63425232), we get a palindrome (86677668).

It can be divided in two parts, 2325 and 2436, that added together give a square (4761 = 69²).

The spelling of 23252436 in words is "twenty-three million, two hundred fifty-two thousand, four hundred thirty-six".