23426703563647 has 4 divisors (see below), whose sum is σ = 23597701400016. Its totient is φ = 23255705727280.

The previous prime is 23426703563639. The next prime is 23426703563663. The reversal of 23426703563647 is 74636530762432.

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

It is a cyclic number.

It is not a de Polignac number, because 23426703563647 - 2³ = 23426703563639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23426703563591 and 23426703563600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426703563677) 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, 85498917979 + ... + 85498918252.

It is an arithmetic number, because the mean of its divisors is an integer number (5899425350004).

Almost surely, 2^{23426703563647} is an apocalyptic number.

23426703563647 is a deficient number, since it is larger than the sum of its proper divisors (170997836369).

23426703563647 is a wasteful number, since it uses less digits than its factorization.

23426703563647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170997836368.

The product of its (nonzero) digits is 91445760, while the sum is 58.

The spelling of 23426703563647 in words is "twenty-three trillion, four hundred twenty-six billion, seven hundred three million, five hundred sixty-three thousand, six hundred forty-seven".