23031207761 has 4 divisors (see below), whose sum is σ = 23031988032. Its totient is φ = 23030427492.

The previous prime is 23031207721. The next prime is 23031207817. The reversal of 23031207761 is 16770213032.

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 23031207761 - 2²⁶ = 22964098897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031207721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344045 + ... + 405498.

It is an arithmetic number, because the mean of its divisors is an integer number (5757997008).

Almost surely, 2^23031207761 is an apocalyptic number.

It is an amenable number.

23031207761 is a deficient number, since it is larger than the sum of its proper divisors (780271).

23031207761 is an equidigital number, since it uses as much as digits as its factorization.

23031207761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780270.

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 23031207761 in words is "twenty-three billion, thirty-one million, two hundred seven thousand, seven hundred sixty-one".