23943883389 has 4 divisors (see below), whose sum is σ = 31925177856. Its totient is φ = 15962588924.

The previous prime is 23943883387. The next prime is 23943883459. The reversal of 23943883389 is 98338834932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23943883389 - 2¹ = 23943883387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23943883387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3990647229 + ... + 3990647234.

It is an arithmetic number, because the mean of its divisors is an integer number (7981294464).

Almost surely, 2^23943883389 is an apocalyptic number.

It is an amenable number.

23943883389 is a deficient number, since it is larger than the sum of its proper divisors (7981294467).

23943883389 is an equidigital number, since it uses as much as digits as its factorization.

23943883389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981294466.

The product of its digits is 26873856, while the sum is 60.

The spelling of 23943883389 in words is "twenty-three billion, nine hundred forty-three million, eight hundred eighty-three thousand, three hundred eighty-nine".