23236457 has 2 divisors, whose sum is σ = 23236458. Its totient is φ = 23236456.

The previous prime is 23236427. The next prime is 23236459. The reversal of 23236457 is 75463232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14409616 + 8826841 = 3796^2 + 2971^2 .

It is a cyclic number.

It is not a de Polignac number, because 23236457 - 2⁶ = 23236393 is a prime.

Together with 23236459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23236459) by changing a digit.

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 as a sum of consecutive naturals, namely, 11618228 + 11618229.

It is an arithmetic number, because the mean of its divisors is an integer number (11618229).

Almost surely, 2^23236457 is an apocalyptic number.

It is an amenable number.

23236457 is a deficient number, since it is larger than the sum of its proper divisors (1).

23236457 is an equidigital number, since it uses as much as digits as its factorization.

23236457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 23236457 is about 4820.4208322511. The cubic root of 23236457 is about 285.3579456538.

Adding to 23236457 its reverse (75463232), we get a palindrome (98699689).

The spelling of 23236457 in words is "twenty-three million, two hundred thirty-six thousand, four hundred fifty-seven".