403023130312 has 96 divisors (see below), whose sum is σ = 834195045600. Its totient is φ = 182403936000.

The previous prime is 403023130271. The next prime is 403023130333. The reversal of 403023130312 is 213031320304.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312178387 + ... + 312179677.

It is an arithmetic number, because the mean of its divisors is an integer number (8689531725).

Almost surely, 2^403023130312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403023130312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417097522800).

403023130312 is an abundant number, since it is smaller than the sum of its proper divisors (431171915288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403023130312 is a wasteful number, since it uses less digits than its factorization.

403023130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 403023130312 its reverse (213031320304), we get a palindrome (616054450616).

It can be divided in two parts, 403023 and 130312, that added together give a palindrome (533335).

The spelling of 403023130312 in words is "four hundred three billion, twenty-three million, one hundred thirty thousand, three hundred twelve".