23273185632881 has 4 divisors (see below), whose sum is σ = 23273450167872. Its totient is φ = 23272921097892.

The previous prime is 23273185632803. The next prime is 23273185632913. The reversal of 23273185632881 is 18823658137232.

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 a de Polignac number, because none of the positive numbers 2^k-23273185632881 is a prime.

It is a super-2 number, since 2×23273185632881² (a number of 28 digits) contains 22 as substring.

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 23273185632881.

It is not an unprimeable number, because it can be changed into a prime (23273185635881) 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, 132135485 + ... + 132311498.

It is an arithmetic number, because the mean of its divisors is an integer number (5818362541968).

Almost surely, 2^{23273185632881} is an apocalyptic number.

It is an amenable number.

23273185632881 is a deficient number, since it is larger than the sum of its proper divisors (264534991).

23273185632881 is an equidigital number, since it uses as much as digits as its factorization.

23273185632881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264534990.

The product of its digits is 23224320, while the sum is 59.

The spelling of 23273185632881 in words is "twenty-three trillion, two hundred seventy-three billion, one hundred eighty-five million, six hundred thirty-two thousand, eight hundred eighty-one".