1232213043 has 4 divisors (see below), whose sum is σ = 1642950728. Its totient is φ = 821475360.

The previous prime is 1232213039. The next prime is 1232213051. The reversal of 1232213043 is 3403122321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3403122321 = 3 ⋅1134374107.

It is not a de Polignac number, because 1232213043 - 2² = 1232213039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232213093) 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, 205368838 + ... + 205368843.

It is an arithmetic number, because the mean of its divisors is an integer number (410737682).

Almost surely, 2^1232213043 is an apocalyptic number.

1232213043 is a deficient number, since it is larger than the sum of its proper divisors (410737685).

1232213043 is an equidigital number, since it uses as much as digits as its factorization.

1232213043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410737684.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1232213043 is about 35102.8922312678. The cubic root of 1232213043 is about 1072.0834715740.

Adding to 1232213043 its reverse (3403122321), we get a palindrome (4635335364).

The spelling of 1232213043 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, forty-three".