1013505023 has 8 divisors (see below), whose sum is σ = 1024070208. Its totient is φ = 1002968064.

The previous prime is 1013505001. The next prime is 1013505029. The reversal of 1013505023 is 3205053101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013505023 - 2¹⁴ = 1013488639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013504986 and 1013505004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013505029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69386 + ... + 82712.

It is an arithmetic number, because the mean of its divisors is an integer number (128008776).

Almost surely, 2^1013505023 is an apocalyptic number.

1013505023 is a deficient number, since it is larger than the sum of its proper divisors (10565185).

1013505023 is a wasteful number, since it uses less digits than its factorization.

1013505023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14113.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1013505023 is about 31835.5936492474. The cubic root of 1013505023 is about 1004.4815599506.

Adding to 1013505023 its reverse (3205053101), we get a palindrome (4218558124).

The spelling of 1013505023 in words is "one billion, thirteen million, five hundred five thousand, twenty-three".