123333032213 has 4 divisors (see below), whose sum is σ = 123333851340. Its totient is φ = 123332213088.

The previous prime is 123333032203. The next prime is 123333032239. The reversal of 123333032213 is 312230333321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312230333321 = 77069 ⋅4051309.

It can be written as a sum of positive squares in 2 ways, for example, as 107254285009 + 16078747204 = 327497^2 + 126802^2 .

It is a cyclic number.

It is not a de Polignac number, because 123333032213 - 2¹⁴ = 123333015829 is a prime.

It is a super-2 number, since 2×123333032213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123333032203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111320 + ... + 508977.

It is an arithmetic number, because the mean of its divisors is an integer number (30833462835).

Almost surely, 2^123333032213 is an apocalyptic number.

It is an amenable number.

123333032213 is a deficient number, since it is larger than the sum of its proper divisors (819127).

123333032213 is an equidigital number, since it uses as much as digits as its factorization.

123333032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819126.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 123333032213 its reverse (312230333321), we get a palindrome (435563365534).

The spelling of 123333032213 in words is "one hundred twenty-three billion, three hundred thirty-three million, thirty-two thousand, two hundred thirteen".