123203133221 has 8 divisors (see below), whose sum is σ = 140867397120. Its totient is φ = 105554823408.

The previous prime is 123203133181. The next prime is 123203133247. The reversal of 123203133221 is 122331302321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123203133221 - 2³⁴ = 106023264037 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 (123203130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3971966 + ... + 4002863.

It is an arithmetic number, because the mean of its divisors is an integer number (17608424640).

Almost surely, 2^123203133221 is an apocalyptic number.

It is an amenable number.

123203133221 is a deficient number, since it is larger than the sum of its proper divisors (17664263899).

123203133221 is an equidigital number, since it uses as much as digits as its factorization.

123203133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7977043.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123203133221 its reverse (122331302321), we get a palindrome (245534435542).

The spelling of 123203133221 in words is "one hundred twenty-three billion, two hundred three million, one hundred thirty-three thousand, two hundred twenty-one".