1242144400343 has 8 divisors (see below), whose sum is σ = 1548647564160. Its totient is φ = 967904727480.

The previous prime is 1242144400327. The next prime is 1242144400369. The reversal of 1242144400343 is 3430044412421.

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 1242144400343 - 2⁴ = 1242144400327 is a prime.

It is a super-2 number, since 2×1242144400343² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242144400303) 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, 8065872653 + ... + 8065872806.

It is an arithmetic number, because the mean of its divisors is an integer number (193580945520).

Almost surely, 2^{1242144400343} is an apocalyptic number.

1242144400343 is a deficient number, since it is larger than the sum of its proper divisors (306503163817).

1242144400343 is a wasteful number, since it uses less digits than its factorization.

1242144400343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16131745477.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1242144400343 its reverse (3430044412421), we get a palindrome (4672188812764).

The spelling of 1242144400343 in words is "one trillion, two hundred forty-two billion, one hundred forty-four million, four hundred thousand, three hundred forty-three".