1203443213 has 16 divisors (see below), whose sum is σ = 1398741504. Its totient is φ = 1014053040.

The previous prime is 1203443203. The next prime is 1203443233. The reversal of 1203443213 is 3123443021.

It is not a de Polignac number, because 1203443213 - 2⁶ = 1203443149 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 (1203443203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254198 + ... + 258888.

It is an arithmetic number, because the mean of its divisors is an integer number (87421344).

Almost surely, 2^1203443213 is an apocalyptic number.

It is an amenable number.

1203443213 is a deficient number, since it is larger than the sum of its proper divisors (195298291).

1203443213 is an equidigital number, since it uses as much as digits as its factorization.

1203443213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1203443213 is about 34690.6790507191. The cubic root of 1203443213 is about 1063.6739763390.

Adding to 1203443213 its reverse (3123443021), we get a palindrome (4326886234).

The spelling of 1203443213 in words is "one billion, two hundred three million, four hundred forty-three thousand, two hundred thirteen".