23305385771 has 4 divisors (see below), whose sum is σ = 23367867072. Its totient is φ = 23242904472.

The previous prime is 23305385759. The next prime is 23305385777. The reversal of 23305385771 is 17758350332.

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 23305385771 - 2¹⁰ = 23305384747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23305385777) 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, 31240091 + ... + 31240836.

It is an arithmetic number, because the mean of its divisors is an integer number (5841966768).

Almost surely, 2^23305385771 is an apocalyptic number.

23305385771 is a deficient number, since it is larger than the sum of its proper divisors (62481301).

23305385771 is an equidigital number, since it uses as much as digits as its factorization.

23305385771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62481300.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 23305385771 in words is "twenty-three billion, three hundred five million, three hundred eighty-five thousand, seven hundred seventy-one".