23251106072647 has 2 divisors, whose sum is σ = 23251106072648. Its totient is φ = 23251106072646.

The previous prime is 23251106072617. The next prime is 23251106072681. The reversal of 23251106072647 is 74627060115232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23251106072647 - 2²⁷ = 23250971854919 is a prime.

It is a super-2 number, since 2×23251106072647² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23251106072597 and 23251106072606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23251106072617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11625553036323 + 11625553036324.

It is an arithmetic number, because the mean of its divisors is an integer number (11625553036324).

Almost surely, 2^{23251106072647} is an apocalyptic number.

23251106072647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23251106072647 is an equidigital number, since it uses as much as digits as its factorization.

23251106072647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

Adding to 23251106072647 its reverse (74627060115232), we get a palindrome (97878166187879).

The spelling of 23251106072647 in words is "twenty-three trillion, two hundred fifty-one billion, one hundred six million, seventy-two thousand, six hundred forty-seven".