23435249 has 4 divisors (see below), whose sum is σ = 23510436. Its totient is φ = 23360064.

The previous prime is 23435239. The next prime is 23435257. The reversal of 23435249 is 94253432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 22972849 = 680^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 23435249 - 2²⁰ = 22386673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23435239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37124 + ... + 37749.

It is an arithmetic number, because the mean of its divisors is an integer number (5877609).

Almost surely, 2^23435249 is an apocalyptic number.

It is an amenable number.

23435249 is a deficient number, since it is larger than the sum of its proper divisors (75187).

23435249 is an equidigital number, since it uses as much as digits as its factorization.

23435249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75186.

The product of its digits is 25920, while the sum is 32.

The square root of 23435249 is about 4840.9966948966. The cubic root of 23435249 is about 286.1693985610.

Adding to 23435249 its sum of digits (32), we get a square (23435281 = 4841²).

The spelling of 23435249 in words is "twenty-three million, four hundred thirty-five thousand, two hundred forty-nine".