1013030123 has 4 divisors (see below), whose sum is σ = 1157748720. Its totient is φ = 868311528.

The previous prime is 1013030113. The next prime is 1013030131. The reversal of 1013030123 is 3210303101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3210303101 = 21013 ⋅152777.

It is not a de Polignac number, because 1013030123 - 2⁴ = 1013030107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013030098 and 1013030107.

It is not an unprimeable number, because it can be changed into a prime (1013030113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72359288 + ... + 72359301.

It is an arithmetic number, because the mean of its divisors is an integer number (289437180).

Almost surely, 2^1013030123 is an apocalyptic number.

1013030123 is a deficient number, since it is larger than the sum of its proper divisors (144718597).

1013030123 is an equidigital number, since it uses as much as digits as its factorization.

1013030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144718596.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1013030123 is about 31828.1341426104. The cubic root of 1013030123 is about 1004.3246448199.

Adding to 1013030123 its reverse (3210303101), we get a palindrome (4223333224).

The spelling of 1013030123 in words is "one billion, thirteen million, thirty thousand, one hundred twenty-three".