1342440343 has 8 divisors (see below), whose sum is σ = 1422715968. Its totient is φ = 1262310144.

The previous prime is 1342440329. The next prime is 1342440353. The reversal of 1342440343 is 3430442431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1342440343 - 2⁹ = 1342439831 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 (1342440353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17046 + ... + 54547.

It is an arithmetic number, because the mean of its divisors is an integer number (177839496).

Almost surely, 2^1342440343 is an apocalyptic number.

1342440343 is a deficient number, since it is larger than the sum of its proper divisors (80275625).

1342440343 is a wasteful number, since it uses less digits than its factorization.

1342440343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72713.

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

The square root of 1342440343 is about 36639.3278186159. The cubic root of 1342440343 is about 1103.1426228388.

Adding to 1342440343 its reverse (3430442431), we get a palindrome (4772882774).

The spelling of 1342440343 in words is "one billion, three hundred forty-two million, four hundred forty thousand, three hundred forty-three".