1401343 has 4 divisors (see below), whose sum is σ = 1406680. Its totient is φ = 1396008.

The previous prime is 1401319. The next prime is 1401349. The reversal of 1401343 is 3431041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431041 = 647 ⋅5303.

It is a cyclic number.

It is not a de Polignac number, because 1401343 - 2¹⁷ = 1270271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (351670).

2^1401343 is an apocalyptic number.

1401343 is a deficient number, since it is larger than the sum of its proper divisors (5337).

1401343 is an equidigital number, since it uses as much as digits as its factorization.

1401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1401343 is about 1183.7833416635. The cubic root of 1401343 is about 111.9046541866.

Adding to 1401343 its reverse (3431041), we get a palindrome (4832384).

The spelling of 1401343 in words is "one million, four hundred one thousand, three hundred forty-three".