1011323101023 has 32 divisors (see below), whose sum is σ = 1516912043520. Its totient is φ = 674144902008.

The previous prime is 1011323100943. The next prime is 1011323101037. The reversal of 1011323101023 is 3201013231101.

It is not a de Polignac number, because 1011323101023 - 2³⁴ = 994143231839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011323100987 and 1011323101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011323101093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28691136 + ... + 28726362.

It is an arithmetic number, because the mean of its divisors is an integer number (47403501360).

Almost surely, 2^{1011323101023} is an apocalyptic number.

1011323101023 is a deficient number, since it is larger than the sum of its proper divisors (505588942497).

1011323101023 is an frugal number, since it uses more digits than its factorization.

1011323101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48375 (or 48357 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011323101023 its reverse (3201013231101), we get a palindrome (4212336332124).

The spelling of 1011323101023 in words is "one trillion, eleven billion, three hundred twenty-three million, one hundred one thousand, twenty-three".