403230401320 has 64 divisors (see below), whose sum is σ = 917710794000. Its totient is φ = 159442587648.

The previous prime is 403230401297. The next prime is 403230401351. The reversal of 403230401320 is 23104032304.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 163379256804 + 239851144516 = 404202^2 + 489746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403230401291 and 403230401300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1781086 + ... + 1994674.

Almost surely, 2^403230401320 is an apocalyptic number.

403230401320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403230401320 is an abundant number, since it is smaller than the sum of its proper divisors (514480392680).

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

403230401320 is a wasteful number, since it uses less digits than its factorization.

403230401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214142 (or 214138 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 403230401320 its reverse (23104032304), we get a palindrome (426334433624).

The spelling of 403230401320 in words is "four hundred three billion, two hundred thirty million, four hundred one thousand, three hundred twenty".