1232003213 has 4 divisors (see below), whose sum is σ = 1408003680. Its totient is φ = 1056002748.

The previous prime is 1232003207. The next prime is 1232003281. The reversal of 1232003213 is 3123002321.

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: 3123002321 = 199 ⋅15693479.

It is a cyclic number.

It is not a de Polignac number, because 1232003213 - 2¹⁴ = 1231986829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1232003191 and 1232003200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232003713) 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, 88000223 + ... + 88000236.

It is an arithmetic number, because the mean of its divisors is an integer number (352000920).

Almost surely, 2^1232003213 is an apocalyptic number.

It is an amenable number.

1232003213 is a deficient number, since it is larger than the sum of its proper divisors (176000467).

1232003213 is an equidigital number, since it uses as much as digits as its factorization.

1232003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176000466.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1232003213 is about 35099.9033189552. The cubic root of 1232003213 is about 1072.0226141202.

Adding to 1232003213 its reverse (3123002321), we get a palindrome (4355005534).

The spelling of 1232003213 in words is "one billion, two hundred thirty-two million, three thousand, two hundred thirteen".