123532133 has 4 divisors (see below), whose sum is σ = 125224428. Its totient is φ = 121839840.

The previous prime is 123532111. The next prime is 123532147. The reversal of 123532133 is 331235321.

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 64288324 + 59243809 = 8018^2 + 7697^2 .

It is a cyclic number.

It is not a de Polignac number, because 123532133 - 2⁶ = 123532069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123532099 and 123532108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123532193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846038 + ... + 846183.

It is an arithmetic number, because the mean of its divisors is an integer number (31306107).

Almost surely, 2^123532133 is an apocalyptic number.

It is an amenable number.

123532133 is a deficient number, since it is larger than the sum of its proper divisors (1692295).

123532133 is an equidigital number, since it uses as much as digits as its factorization.

123532133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692294.

The product of its digits is 1620, while the sum is 23.

The square root of 123532133 is about 11114.5010234378. The cubic root of 123532133 is about 498.0351327074.

Adding to 123532133 its reverse (331235321), we get a palindrome (454767454).

The spelling of 123532133 in words is "one hundred twenty-three million, five hundred thirty-two thousand, one hundred thirty-three".