23653145617 has 2 divisors, whose sum is σ = 23653145618. Its totient is φ = 23653145616.

The previous prime is 23653145603. The next prime is 23653145623. The reversal of 23653145617 is 71654135632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23637217536 + 15928081 = 153744^2 + 3991^2 .

It is a cyclic number.

It is not a de Polignac number, because 23653145617 - 2²³ = 23644757009 is a prime.

It is not a weakly prime, because it can be changed into another prime (23653145647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11826572808 + 11826572809.

It is an arithmetic number, because the mean of its divisors is an integer number (11826572809).

Almost surely, 2^23653145617 is an apocalyptic number.

It is an amenable number.

23653145617 is a deficient number, since it is larger than the sum of its proper divisors (1).

23653145617 is an equidigital number, since it uses as much as digits as its factorization.

23653145617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The spelling of 23653145617 in words is "twenty-three billion, six hundred fifty-three million, one hundred forty-five thousand, six hundred seventeen".