1020002430043 has 4 divisors (see below), whose sum is σ = 1064350361808. Its totient is φ = 975654498280.

The previous prime is 1020002430011. The next prime is 1020002430049. The reversal of 1020002430043 is 3400342000201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020002430043 - 2⁵ = 1020002430011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020002430043.

It is not an unprimeable number, because it can be changed into a prime (1020002430049) 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, 22173965848 + ... + 22173965893.

It is an arithmetic number, because the mean of its divisors is an integer number (266087590452).

Almost surely, 2^{1020002430043} is an apocalyptic number.

1020002430043 is a deficient number, since it is larger than the sum of its proper divisors (44347931765).

1020002430043 is an equidigital number, since it uses as much as digits as its factorization.

1020002430043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44347931764.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1020002430043 its reverse (3400342000201), we get a palindrome (4420344430244).

The spelling of 1020002430043 in words is "one trillion, twenty billion, two million, four hundred thirty thousand, forty-three".