228378501123 has 8 divisors (see below), whose sum is σ = 304803499200. Its totient is φ = 152102918568.

The previous prime is 228378501067. The next prime is 228378501149. The reversal of 228378501123 is 321105873822.

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

It is not a de Polignac number, because 228378501123 - 2²⁰ = 228377452547 is a prime.

It is a super-2 number, since 2×228378501123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228378501023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37350313 + ... + 37356426.

It is an arithmetic number, because the mean of its divisors is an integer number (38100437400).

Almost surely, 2^228378501123 is an apocalyptic number.

228378501123 is a deficient number, since it is larger than the sum of its proper divisors (76424998077).

228378501123 is a wasteful number, since it uses less digits than its factorization.

228378501123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74707761.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 228378501123 in words is "two hundred twenty-eight billion, three hundred seventy-eight million, five hundred one thousand, one hundred twenty-three".