23106885643 has 2 divisors, whose sum is σ = 23106885644. Its totient is φ = 23106885642.

The previous prime is 23106885559. The next prime is 23106885667. The reversal of 23106885643 is 34658860132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23106885643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23106885593 and 23106885602.

It is not a weakly prime, because it can be changed into another prime (23106885743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553442821 + 11553442822.

It is an arithmetic number, because the mean of its divisors is an integer number (11553442822).

Almost surely, 2^23106885643 is an apocalyptic number.

23106885643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23106885643 is an equidigital number, since it uses as much as digits as its factorization.

23106885643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 23106885643 in words is "twenty-three billion, one hundred six million, eight hundred eighty-five thousand, six hundred forty-three".