228141523 has 2 divisors, whose sum is σ = 228141524. Its totient is φ = 228141522.

The previous prime is 228141517. The next prime is 228141533. The reversal of 228141523 is 325141822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228141523 - 2²⁵ = 194587091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228141491 and 228141500.

It is not a weakly prime, because it can be changed into another prime (228141503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114070761 + 114070762.

It is an arithmetic number, because the mean of its divisors is an integer number (114070762).

Almost surely, 2^228141523 is an apocalyptic number.

228141523 is a deficient number, since it is larger than the sum of its proper divisors (1).

228141523 is an equidigital number, since it uses as much as digits as its factorization.

228141523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 228141523 is about 15104.3544383731. The cubic root of 228141523 is about 611.0378489058.

The spelling of 228141523 in words is "two hundred twenty-eight million, one hundred forty-one thousand, five hundred twenty-three".