1043424301243 has 4 divisors (see below), whose sum is σ = 1048103334208. Its totient is φ = 1038745268280.

The previous prime is 1043424301219. The next prime is 1043424301247. The reversal of 1043424301243 is 3421034243401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043424301243 is a prime.

It is a super-2 number, since 2×1043424301243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043424301247) 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, 2339516148 + ... + 2339516593.

It is an arithmetic number, because the mean of its divisors is an integer number (262025833552).

Almost surely, 2^{1043424301243} is an apocalyptic number.

1043424301243 is a deficient number, since it is larger than the sum of its proper divisors (4679032965).

1043424301243 is an equidigital number, since it uses as much as digits as its factorization.

1043424301243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679032964.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1043424301243 its reverse (3421034243401), we get a palindrome (4464458544644).

The spelling of 1043424301243 in words is "one trillion, forty-three billion, four hundred twenty-four million, three hundred one thousand, two hundred forty-three".