400003213203 has 48 divisors (see below), whose sum is σ = 632534572800. Its totient is φ = 241571428800.

The previous prime is 400003213193. The next prime is 400003213213. The reversal of 400003213203 is 302312300004.

It is an interprime number because it is at equal distance from previous prime (400003213193) and next prime (400003213213).

It is not a de Polignac number, because 400003213203 - 2¹⁷ = 400003082131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400003213213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33380473 + ... + 33392453.

It is an arithmetic number, because the mean of its divisors is an integer number (13177803600).

Almost surely, 2^400003213203 is an apocalyptic number.

400003213203 is a deficient number, since it is larger than the sum of its proper divisors (232531359597).

400003213203 is a wasteful number, since it uses less digits than its factorization.

400003213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13160 (or 13157 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 400003213203 its reverse (302312300004), we get a palindrome (702315513207).

The spelling of 400003213203 in words is "four hundred billion, three million, two hundred thirteen thousand, two hundred three".