23212808274181 has 4 divisors (see below), whose sum is σ = 23220548460000. Its totient is φ = 23205068088364.

The previous prime is 23212808274151. The next prime is 23212808274289. The reversal of 23212808274181 is 18147280821232.

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 23212808274181 - 2³⁵ = 23178448535813 is a prime.

It is a super-2 number, since 2×23212808274181² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212808274151) 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, 3870088411 + ... + 3870094408.

It is an arithmetic number, because the mean of its divisors is an integer number (5805137115000).

Almost surely, 2^{23212808274181} is an apocalyptic number.

It is an amenable number.

23212808274181 is a deficient number, since it is larger than the sum of its proper divisors (7740185819).

23212808274181 is an equidigital number, since it uses as much as digits as its factorization.

23212808274181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740185818.

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 23212808274181 in words is "twenty-three trillion, two hundred twelve billion, eight hundred eight million, two hundred seventy-four thousand, one hundred eighty-one".