403323204054320 has 160 divisors (see below), whose sum is σ = 1026109961902080. Its totient is φ = 146213844480000.

The previous prime is 403323204054301. The next prime is 403323204054377. The reversal of 403323204054320 is 23450402323304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620391035 + ... + 621040805.

It is an arithmetic number, because the mean of its divisors is an integer number (6413187261888).

Almost surely, 2^{403323204054320} is an apocalyptic number.

403323204054320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403323204054320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513054980951040).

403323204054320 is an abundant number, since it is smaller than the sum of its proper divisors (622786757847760).

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

403323204054320 is a wasteful number, since it uses less digits than its factorization.

403323204054320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651955 (or 651949 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 403323204054320 its reverse (23450402323304), we get a palindrome (426773606377624).

The spelling of 403323204054320 in words is "four hundred three trillion, three hundred twenty-three billion, two hundred four million, fifty-four thousand, three hundred twenty".