23659606462477 has 2 divisors, whose sum is σ = 23659606462478. Its totient is φ = 23659606462476.

The previous prime is 23659606462447. The next prime is 23659606462529. The reversal of 23659606462477 is 77426460695632.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19221025504041 + 4438580958436 = 4384179^2 + 2106794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23659606462477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23659606462417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11829803231238 + 11829803231239.

It is an arithmetic number, because the mean of its divisors is an integer number (11829803231239).

Almost surely, 2^{23659606462477} is an apocalyptic number.

It is an amenable number.

23659606462477 is a deficient number, since it is larger than the sum of its proper divisors (1).

23659606462477 is an equidigital number, since it uses as much as digits as its factorization.

23659606462477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 548674560, while the sum is 67.

The spelling of 23659606462477 in words is "twenty-three trillion, six hundred fifty-nine billion, six hundred six million, four hundred sixty-two thousand, four hundred seventy-seven".