23413251 has 4 divisors (see below), whose sum is σ = 31217672. Its totient is φ = 15608832.

The previous prime is 23413249. The next prime is 23413259. The reversal of 23413251 is 15231432.

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

It is not a de Polignac number, because 23413251 - 2¹ = 23413249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23413259) 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, 3902206 + ... + 3902211.

It is an arithmetic number, because the mean of its divisors is an integer number (7804418).

Almost surely, 2^23413251 is an apocalyptic number.

23413251 is a deficient number, since it is larger than the sum of its proper divisors (7804421).

23413251 is an equidigital number, since it uses as much as digits as its factorization.

23413251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804420.

The product of its digits is 720, while the sum is 21.

The square root of 23413251 is about 4838.7241086882. The cubic root of 23413251 is about 286.0798308454.

Adding to 23413251 its reverse (15231432), we get a palindrome (38644683).

The spelling of 23413251 in words is "twenty-three million, four hundred thirteen thousand, two hundred fifty-one".