123641333 has 4 divisors (see below), whose sum is σ = 123778560. Its totient is φ = 123504108.

The previous prime is 123641279. The next prime is 123641339. The reversal of 123641333 is 333146321.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 123641333 - 2¹⁸ = 123379189 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 (123641339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67253 + ... + 69066.

It is an arithmetic number, because the mean of its divisors is an integer number (30944640).

Almost surely, 2^123641333 is an apocalyptic number.

It is an amenable number.

123641333 is a deficient number, since it is larger than the sum of its proper divisors (137227).

123641333 is an equidigital number, since it uses as much as digits as its factorization.

123641333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137226.

The product of its digits is 3888, while the sum is 26.

The square root of 123641333 is about 11119.4124395132. The cubic root of 123641333 is about 498.1818406066.

Adding to 123641333 its reverse (333146321), we get a palindrome (456787654).

The spelling of 123641333 in words is "one hundred twenty-three million, six hundred forty-one thousand, three hundred thirty-three".