23016641 has 2 divisors, whose sum is σ = 23016642. Its totient is φ = 23016640.

The previous prime is 23016613. The next prime is 23016649. The reversal of 23016641 is 14661032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21893041 + 1123600 = 4679^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 23016641 - 2²² = 18822337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23016649) 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, 11508320 + 11508321.

It is an arithmetic number, because the mean of its divisors is an integer number (11508321).

Almost surely, 2^23016641 is an apocalyptic number.

It is an amenable number.

23016641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23016641 is an equidigital number, since it uses as much as digits as its factorization.

23016641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23016641 is about 4797.5661537909. The cubic root of 23016641 is about 284.4552681033.

Adding to 23016641 its reverse (14661032), we get a palindrome (37677673).

The spelling of 23016641 in words is "twenty-three million, sixteen thousand, six hundred forty-one".