1011423430343 has 4 divisors (see below), whose sum is σ = 1011427255440. Its totient is φ = 1011419605248.

The previous prime is 1011423430313. The next prime is 1011423430373. The reversal of 1011423430343 is 3430343241101.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1011423430313) and next prime (1011423430373).

It is a cyclic number.

It is not a de Polignac number, because 1011423430343 - 2¹⁰ = 1011423429319 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 (1011423430313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483898 + ... + 2055431.

It is an arithmetic number, because the mean of its divisors is an integer number (252856813860).

Almost surely, 2^{1011423430343} is an apocalyptic number.

1011423430343 is a deficient number, since it is larger than the sum of its proper divisors (3825097).

1011423430343 is an equidigital number, since it uses as much as digits as its factorization.

1011423430343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825096.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1011423430343 its reverse (3430343241101), we get a palindrome (4441766671444).

The spelling of 1011423430343 in words is "one trillion, eleven billion, four hundred twenty-three million, four hundred thirty thousand, three hundred forty-three".