1403323400412 has 120 divisors (see below), whose sum is σ = 3682407849120. Its totient is φ = 466011066240.

The previous prime is 1403323400387. The next prime is 1403323400461. The reversal of 1403323400412 is 2140043233041.

1403323400412 is a `hidden beast` number, since 14 + 0 + 3 + 3 + 234 + 0 + 0 + 412 = 666.

It is a super-2 number, since 2×1403323400412² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 285865014 + ... + 285869922.

It is an arithmetic number, because the mean of its divisors is an integer number (30686732076).

Almost surely, 2^{1403323400412} is an apocalyptic number.

1403323400412 is a gapful number since it is divisible by the number (12) 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 1403323400412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841203924560).

1403323400412 is an abundant number, since it is smaller than the sum of its proper divisors (2279084448708).

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

1403323400412 is a wasteful number, since it uses less digits than its factorization.

1403323400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073 (or 8062 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1403323400412 its reverse (2140043233041), we get a palindrome (3543366633453).

The spelling of 1403323400412 in words is "one trillion, four hundred three billion, three hundred twenty-three million, four hundred thousand, four hundred twelve".