1011442343 has 4 divisors (see below), whose sum is σ = 1011505968. Its totient is φ = 1011378720.

The previous prime is 1011442339. The next prime is 1011442361. The reversal of 1011442343 is 3432441101.

1011442343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1011442343 - 2² = 1011442339 is a prime.

It is a super-2 number, since 2×1011442343² = 2046031226426659298, which 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 (1011412343) 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, 14783 + ... + 47343.

It is an arithmetic number, because the mean of its divisors is an integer number (252876492).

Almost surely, 2^1011442343 is an apocalyptic number.

1011442343 is a deficient number, since it is larger than the sum of its proper divisors (63625).

1011442343 is an equidigital number, since it uses as much as digits as its factorization.

1011442343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63624.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1011442343 is about 31803.1813345772. The cubic root of 1011442343 is about 1003.7996586418.

Adding to 1011442343 its reverse (3432441101), we get a palindrome (4443883444).

The spelling of 1011442343 in words is "one billion, eleven million, four hundred forty-two thousand, three hundred forty-three".