23619697 has 2 divisors, whose sum is σ = 23619698. Its totient is φ = 23619696.

The previous prime is 23619683. The next prime is 23619703. The reversal of 23619697 is 79691632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22667121 + 952576 = 4761^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 23619697 - 2⁷ = 23619569 is a prime.

It is not a weakly prime, because it can be changed into another prime (23619677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11809848 + 11809849.

It is an arithmetic number, because the mean of its divisors is an integer number (11809849).

Almost surely, 2^23619697 is an apocalyptic number.

It is an amenable number.

23619697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23619697 is an equidigital number, since it uses as much as digits as its factorization.

23619697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 23619697 is about 4860.0099794136. The cubic root of 23619697 is about 286.9182064462.

The spelling of 23619697 in words is "twenty-three million, six hundred nineteen thousand, six hundred ninety-seven".