1013315123 has 8 divisors (see below), whose sum is σ = 1048311936. Its totient is φ = 978808000.

The previous prime is 1013315113. The next prime is 1013315131. The reversal of 1013315123 is 3215133101.

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 1013315123 - 2⁸ = 1013314867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013315095 and 1013315104.

It is not an unprimeable number, because it can be changed into a prime (1013315113) 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, 118211 + ... + 126492.

It is an arithmetic number, because the mean of its divisors is an integer number (131038992).

Almost surely, 2^1013315123 is an apocalyptic number.

1013315123 is a deficient number, since it is larger than the sum of its proper divisors (34996813).

1013315123 is a wasteful number, since it uses less digits than its factorization.

1013315123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244845.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1013315123 is about 31832.6109987855. The cubic root of 1013315123 is about 1004.4188196060.

Adding to 1013315123 its reverse (3215133101), we get a palindrome (4228448224).

The spelling of 1013315123 in words is "one billion, thirteen million, three hundred fifteen thousand, one hundred twenty-three".