403304123112 has 256 divisors, whose sum is σ = 1149778022400. Its totient is φ = 116768977920.

The previous prime is 403304123111. The next prime is 403304123137. The reversal of 403304123112 is 211321403304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (403304123111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 365642353 + ... + 365643455.

It is an arithmetic number, because the mean of its divisors is an integer number (4491320400).

Almost surely, 2^403304123112 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 403304123112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574889011200).

403304123112 is an abundant number, since it is smaller than the sum of its proper divisors (746473899288).

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

403304123112 is a wasteful number, since it uses less digits than its factorization.

403304123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 403304123112 its reverse (211321403304), we get a palindrome (614625526416).

The spelling of 403304123112 in words is "four hundred three billion, three hundred four million, one hundred twenty-three thousand, one hundred twelve".