1404342343 has 4 divisors (see below), whose sum is σ = 1404432720. Its totient is φ = 1404251968.

The previous prime is 1404342337. The next prime is 1404342347. The reversal of 1404342343 is 3432434041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3432434041 = 83 ⋅41354627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404342343 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 (1404342347) 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, 15283 + ... + 55156.

It is an arithmetic number, because the mean of its divisors is an integer number (351108180).

Almost surely, 2^1404342343 is an apocalyptic number.

1404342343 is a deficient number, since it is larger than the sum of its proper divisors (90377).

1404342343 is an equidigital number, since it uses as much as digits as its factorization.

1404342343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90376.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 1404342343 is about 37474.5559413317. Note that the first 3 decimals coincide. The cubic root of 1404342343 is about 1119.8443509785.

Adding to 1404342343 its reverse (3432434041), we get a palindrome (4836776384).

The spelling of 1404342343 in words is "one billion, four hundred four million, three hundred forty-two thousand, three hundred forty-three".