23406163277857 has 4 divisors (see below), whose sum is σ = 23420288906116. Its totient is φ = 23392037649600.

The previous prime is 23406163277843. The next prime is 23406163277869. The reversal of 23406163277857 is 75877236160432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12770731315456 + 10635431962401 = 3573616^2 + 3261201^2 .

It is a cyclic number.

It is not a de Polignac number, because 23406163277857 - 2³⁹ = 22856407463969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23406163277795 and 23406163277804.

It is not an unprimeable number, because it can be changed into a prime (23406163277807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7062811644 + ... + 7062814957.

It is an arithmetic number, because the mean of its divisors is an integer number (5855072226529).

Almost surely, 2^{23406163277857} is an apocalyptic number.

It is an amenable number.

23406163277857 is a deficient number, since it is larger than the sum of its proper divisors (14125628259).

23406163277857 is a wasteful number, since it uses less digits than its factorization.

23406163277857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125628258.

The product of its (nonzero) digits is 71124480, while the sum is 61.

The spelling of 23406163277857 in words is "twenty-three trillion, four hundred six billion, one hundred sixty-three million, two hundred seventy-seven thousand, eight hundred fifty-seven".