403213430 has 16 divisors (see below), whose sum is σ = 727475904. Its totient is φ = 160909440.

The previous prime is 403213427. The next prime is 403213441. The reversal of 403213430 is 34312304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42467 + ... + 51086.

It is an arithmetic number, because the mean of its divisors is an integer number (45467244).

Almost surely, 2^403213430 is an apocalyptic number.

403213430 is a deficient number, since it is larger than the sum of its proper divisors (324262474).

403213430 is a wasteful number, since it uses less digits than its factorization.

403213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93991.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 403213430 is about 20080.1750490378. The cubic root of 403213430 is about 738.7741024905.

Adding to 403213430 its reverse (34312304), we get a palindrome (437525734).

The spelling of 403213430 in words is "four hundred three million, two hundred thirteen thousand, four hundred thirty".