23305736789 has 4 divisors (see below), whose sum is σ = 23308513440. Its totient is φ = 23302960140.

The previous prime is 23305736761. The next prime is 23305736801. The reversal of 23305736789 is 98763750332.

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 23305736789 - 2¹⁶ = 23305671253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23305736789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305736759) 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, 1375697 + ... + 1392534.

It is an arithmetic number, because the mean of its divisors is an integer number (5827128360).

Almost surely, 2^23305736789 is an apocalyptic number.

It is an amenable number.

23305736789 is a deficient number, since it is larger than the sum of its proper divisors (2776651).

23305736789 is an equidigital number, since it uses as much as digits as its factorization.

23305736789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776650.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 23305736789 in words is "twenty-three billion, three hundred five million, seven hundred thirty-six thousand, seven hundred eighty-nine".