123882133 has 4 divisors (see below), whose sum is σ = 124191468. Its totient is φ = 123572800.

The previous prime is 123882127. The next prime is 123882137. The reversal of 123882133 is 331288321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72301009 + 51581124 = 8503^2 + 7182^2 .

It is a cyclic number.

It is not a de Polignac number, because 123882133 - 2⁹ = 123881621 is a prime.

It is a super-3 number, since 3×123882133³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123882095 and 123882104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123882137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154066 + ... + 154867.

It is an arithmetic number, because the mean of its divisors is an integer number (31047867).

Almost surely, 2^123882133 is an apocalyptic number.

It is an amenable number.

123882133 is a deficient number, since it is larger than the sum of its proper divisors (309335).

123882133 is an equidigital number, since it uses as much as digits as its factorization.

123882133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309334.

The product of its digits is 6912, while the sum is 31.

The square root of 123882133 is about 11130.2350828722. The cubic root of 123882133 is about 498.5050453426.

The spelling of 123882133 in words is "one hundred twenty-three million, eight hundred eighty-two thousand, one hundred thirty-three".