1011343023 has 16 divisors (see below), whose sum is σ = 1534831200. Its totient is φ = 657783360.

The previous prime is 1011343009. The next prime is 1011343031. The reversal of 1011343023 is 3203431101.

It is not a de Polignac number, because 1011343023 - 2⁵ = 1011342991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011342987 and 1011343005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011343033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455688 + ... + 457901.

It is an arithmetic number, because the mean of its divisors is an integer number (95926950).

Almost surely, 2^1011343023 is an apocalyptic number.

1011343023 is a deficient number, since it is larger than the sum of its proper divisors (523488177).

1011343023 is an equidigital number, since it uses as much as digits as its factorization.

1011343023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913639 (or 913633 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1011343023 is about 31801.6198172357. The cubic root of 1011343023 is about 1003.7668010610.

Adding to 1011343023 its reverse (3203431101), we get a palindrome (4214774124).

The spelling of 1011343023 in words is "one billion, eleven million, three hundred forty-three thousand, twenty-three".