23163386663257 has 4 divisors (see below), whose sum is σ = 23163407910016. Its totient is φ = 23163365416500.

The previous prime is 23163386663189. The next prime is 23163386663269. The reversal of 23163386663257 is 75236668336132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23163386663257 - 2¹⁹ = 23163386138969 is a prime.

It is a super-4 number, since 4×23163386663257⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23163386663195 and 23163386663204.

It is not an unprimeable number, because it can be changed into a prime (23163386663297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8894253 + ... + 11199754.

It is an arithmetic number, because the mean of its divisors is an integer number (5790851977504).

Almost surely, 2^{23163386663257} is an apocalyptic number.

It is an amenable number.

23163386663257 is a deficient number, since it is larger than the sum of its proper divisors (21246759).

23163386663257 is a wasteful number, since it uses less digits than its factorization.

23163386663257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21246758.

The product of its digits is 117573120, while the sum is 61.

The spelling of 23163386663257 in words is "twenty-three trillion, one hundred sixty-three billion, three hundred eighty-six million, six hundred sixty-three thousand, two hundred fifty-seven".