228504030113123 has 8 divisors (see below), whose sum is σ = 231095900078640. Its totient is φ = 225912702568960.

The previous prime is 228504030113113. The next prime is 228504030113143. The reversal of 228504030113123 is 321311030405822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228504030113123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228504030113113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134757998 + ... + 136443123.

It is an arithmetic number, because the mean of its divisors is an integer number (28886987509830).

Almost surely, 2^{228504030113123} is an apocalyptic number.

228504030113123 is a deficient number, since it is larger than the sum of its proper divisors (2591869965517).

228504030113123 is an equidigital number, since it uses as much as digits as its factorization.

228504030113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271210677.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 228504030113123 its reverse (321311030405822), we get a palindrome (549815060518945).

The spelling of 228504030113123 in words is "two hundred twenty-eight trillion, five hundred four billion, thirty million, one hundred thirteen thousand, one hundred twenty-three".