228300905888523 has 24 divisors (see below), whose sum is σ = 355137899970672. Its totient is φ = 140491616050368.

The previous prime is 228300905888519. The next prime is 228300905888557. The reversal of 228300905888523 is 325888509003822.

228300905888523 is a `hidden beast` number, since 2 + 28 + 3 + 0 + 0 + 9 + 0 + 5 + 8 + 88 + 523 = 666.

It is not a de Polignac number, because 228300905888523 - 2² = 228300905888519 is a prime.

It is a super-2 number, since 2×228300905888523² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228300905818523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4628140 + ... + 21863702.

It is an arithmetic number, because the mean of its divisors is an integer number (14797412498778).

Almost surely, 2^{228300905888523} is an apocalyptic number.

228300905888523 is a deficient number, since it is larger than the sum of its proper divisors (126836994082149).

228300905888523 is a wasteful number, since it uses less digits than its factorization.

228300905888523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17348795 (or 17348792 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 228300905888523 in words is "two hundred twenty-eight trillion, three hundred billion, nine hundred five million, eight hundred eighty-eight thousand, five hundred twenty-three".