1240014343 has 4 divisors (see below), whose sum is σ = 1240154640. Its totient is φ = 1239874048.

The previous prime is 1240014331. The next prime is 1240014371. The reversal of 1240014343 is 3434100421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434100421 = 347 ⋅9896543.

It is a cyclic number.

It is not a de Polignac number, because 1240014343 - 2⁵ = 1240014311 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 (1240014143) 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, 55930 + ... + 74887.

It is an arithmetic number, because the mean of its divisors is an integer number (310038660).

Almost surely, 2^1240014343 is an apocalyptic number.

1240014343 is a deficient number, since it is larger than the sum of its proper divisors (140297).

1240014343 is an equidigital number, since it uses as much as digits as its factorization.

1240014343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140296.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1240014343 is about 35213.8373796438. The cubic root of 1240014343 is about 1074.3412132355.

Adding to 1240014343 its reverse (3434100421), we get a palindrome (4674114764).

The spelling of 1240014343 in words is "one billion, two hundred forty million, fourteen thousand, three hundred forty-three".