23505645103 has 2 divisors, whose sum is σ = 23505645104. Its totient is φ = 23505645102.

The previous prime is 23505645071. The next prime is 23505645109. The reversal of 23505645103 is 30154650532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23505645103 - 2⁵ = 23505645071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23505645109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11752822551 + 11752822552.

It is an arithmetic number, because the mean of its divisors is an integer number (11752822552).

Almost surely, 2^23505645103 is an apocalyptic number.

23505645103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23505645103 is an equidigital number, since it uses as much as digits as its factorization.

23505645103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 23505645103 in words is "twenty-three billion, five hundred five million, six hundred forty-five thousand, one hundred three".