23265343420643 has 8 divisors (see below), whose sum is σ = 25428534744960. Its totient is φ = 21190445619840.

The previous prime is 23265343420619. The next prime is 23265343420673. The reversal of 23265343420643 is 34602434356232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23265343420643 - 2²⁶ = 23265276311779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23265343420673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22073380328 + ... + 22073381381.

It is an arithmetic number, because the mean of its divisors is an integer number (3178566843120).

Almost surely, 2^{23265343420643} is an apocalyptic number.

23265343420643 is a deficient number, since it is larger than the sum of its proper divisors (2163191324317).

23265343420643 is a wasteful number, since it uses less digits than its factorization.

23265343420643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44146761757.

The product of its (nonzero) digits is 7464960, while the sum is 47.

Adding to 23265343420643 its reverse (34602434356232), we get a palindrome (57867777776875).

The spelling of 23265343420643 in words is "twenty-three trillion, two hundred sixty-five billion, three hundred forty-three million, four hundred twenty thousand, six hundred forty-three".