228006123 has 4 divisors (see below), whose sum is σ = 304008168. Its totient is φ = 152004080.

The previous prime is 228006101. The next prime is 228006131. The reversal of 228006123 is 321600822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228006123 - 2²⁰ = 226957547 is a prime.

It is a super-2 number, since 2×228006123² = 103973584250982258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228006093 and 228006102.

It is not an unprimeable number, because it can be changed into a prime (228006923) 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, 38001018 + ... + 38001023.

It is an arithmetic number, because the mean of its divisors is an integer number (76002042).

Almost surely, 2^228006123 is an apocalyptic number.

228006123 is a deficient number, since it is larger than the sum of its proper divisors (76002045).

228006123 is an equidigital number, since it uses as much as digits as its factorization.

228006123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76002044.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 228006123 is about 15099.8716219708. The cubic root of 228006123 is about 610.9169431095.

Adding to 228006123 its reverse (321600822), we get a palindrome (549606945).

The spelling of 228006123 in words is "two hundred twenty-eight million, six thousand, one hundred twenty-three".