403123003320 has 64 divisors (see below), whose sum is σ = 1211494644000. Its totient is φ = 107310522368.

The previous prime is 403123003303. The next prime is 403123003321. The reversal of 403123003320 is 23300321304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403123003321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2883705 + ... + 3020264.

Almost surely, 2^403123003320 is an apocalyptic number.

403123003320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403123003320 is an abundant number, since it is smaller than the sum of its proper divisors (808371640680).

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

403123003320 is a wasteful number, since it uses less digits than its factorization.

403123003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904552 (or 5904548 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 403123003320 its reverse (23300321304), we get a palindrome (426423324624).

The spelling of 403123003320 in words is "four hundred three billion, one hundred twenty-three million, three thousand, three hundred twenty".