227723741129 has 4 divisors (see below), whose sum is σ = 237624773376. Its totient is φ = 217822708884.

The previous prime is 227723741099. The next prime is 227723741143. The reversal of 227723741129 is 921147327722.

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-227723741129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227723740129) 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, 4950516089 + ... + 4950516134.

It is an arithmetic number, because the mean of its divisors is an integer number (59406193344).

Almost surely, 2^227723741129 is an apocalyptic number.

It is an amenable number.

227723741129 is a deficient number, since it is larger than the sum of its proper divisors (9901032247).

227723741129 is an equidigital number, since it uses as much as digits as its factorization.

227723741129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901032246.

The product of its digits is 592704, while the sum is 47.

The spelling of 227723741129 in words is "two hundred twenty-seven billion, seven hundred twenty-three million, seven hundred forty-one thousand, one hundred twenty-nine".