403142312 has 16 divisors (see below), whose sum is σ = 771975360. Its totient is φ = 197282224.

The previous prime is 403142291. The next prime is 403142317. The reversal of 403142312 is 213241304.

It is not an unprimeable number, because it can be changed into a prime (403142317) 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, 535718 + ... + 536469.

It is an arithmetic number, because the mean of its divisors is an integer number (48248460).

Almost surely, 2^403142312 is an apocalyptic number.

It is an amenable number.

403142312 is a deficient number, since it is larger than the sum of its proper divisors (368833048).

403142312 is a wasteful number, since it uses less digits than its factorization.

403142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072240 (or 1072236 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 403142312 is about 20078.4041198498. The cubic root of 403142312 is about 738.7306654239.

Adding to 403142312 its reverse (213241304), we get a palindrome (616383616).

The spelling of 403142312 in words is "four hundred three million, one hundred forty-two thousand, three hundred twelve".