1401403121343 has 160 divisors (see below), whose sum is σ = 2201696640000. Its totient is φ = 887783390208.

The previous prime is 1401403121333. The next prime is 1401403121401. The reversal of 1401403121343 is 3431213041041.

1401403121343 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 4 + 0 + 312 + 1 + 343 = 666.

It is not a de Polignac number, because 1401403121343 - 2⁵ = 1401403121311 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401403121333) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6014605555 + ... + 6014605787.

It is an arithmetic number, because the mean of its divisors is an integer number (13760604000).

Almost surely, 2^{1401403121343} is an apocalyptic number.

1401403121343 is a deficient number, since it is larger than the sum of its proper divisors (800293518657).

1401403121343 is a wasteful number, since it uses less digits than its factorization.

1401403121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1401403121343 its reverse (3431213041041), we get a palindrome (4832616162384).

The spelling of 1401403121343 in words is "one trillion, four hundred one billion, four hundred three million, one hundred twenty-one thousand, three hundred forty-three".