1232213413 has 4 divisors (see below), whose sum is σ = 1236567808. Its totient is φ = 1227859020.

The previous prime is 1232213399. The next prime is 1232213447. The reversal of 1232213413 is 3143122321.

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: 3143122321 = 47 ⋅66874943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232213413 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 (1232213473) 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, 2176773 + ... + 2177338.

It is an arithmetic number, because the mean of its divisors is an integer number (309141952).

Almost surely, 2^1232213413 is an apocalyptic number.

It is an amenable number.

1232213413 is a deficient number, since it is larger than the sum of its proper divisors (4354395).

1232213413 is an equidigital number, since it uses as much as digits as its factorization.

1232213413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354394.

The product of its digits is 864, while the sum is 22.

The square root of 1232213413 is about 35102.8975014884. The cubic root of 1232213413 is about 1072.0835788798.

Adding to 1232213413 its reverse (3143122321), we get a palindrome (4375335734).

The spelling of 1232213413 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, four hundred thirteen".