123310133 has 4 divisors (see below), whose sum is σ = 129800160. Its totient is φ = 116820108.

The previous prime is 123310127. The next prime is 123310141. The reversal of 123310133 is 331013321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331013321 = 887 ⋅373183.

It is a cyclic number.

It is not a de Polignac number, because 123310133 - 2⁶ = 123310069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310933) 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, 3244985 + ... + 3245022.

It is an arithmetic number, because the mean of its divisors is an integer number (32450040).

Almost surely, 2^123310133 is an apocalyptic number.

It is an amenable number.

123310133 is a deficient number, since it is larger than the sum of its proper divisors (6490027).

123310133 is an equidigital number, since it uses as much as digits as its factorization.

123310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490026.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 123310133 is about 11104.5095794456. The cubic root of 123310133 is about 497.7366136244.

Adding to 123310133 its reverse (331013321), we get a palindrome (454323454).

The spelling of 123310133 in words is "one hundred twenty-three million, three hundred ten thousand, one hundred thirty-three".