228933375543 has 16 divisors (see below), whose sum is σ = 339172316640. Its totient is φ = 152616958272.

The previous prime is 228933375523. The next prime is 228933375557. The reversal of 228933375543 is 345573339822.

228933375543 is a `hidden beast` number, since 2 + 2 + 8 + 93 + 3 + 3 + 7 + 5 + 543 = 666.

It is not a de Polignac number, because 228933375543 - 2⁶ = 228933375479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228933375543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228933375523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744355 + ... + 1005947.

It is an arithmetic number, because the mean of its divisors is an integer number (21198269790).

Almost surely, 2^228933375543 is an apocalyptic number.

228933375543 is a deficient number, since it is larger than the sum of its proper divisors (110238941097).

228933375543 is a wasteful number, since it uses less digits than its factorization.

228933375543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294015 (or 294009 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 228933375543 in words is "two hundred twenty-eight billion, nine hundred thirty-three million, three hundred seventy-five thousand, five hundred forty-three".