1101310123 has 4 divisors (see below), whose sum is σ = 1136836288. Its totient is φ = 1065783960.

The previous prime is 1101310117. The next prime is 1101310141. The reversal of 1101310123 is 3210131011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101310123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101310153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17763036 + ... + 17763097.

It is an arithmetic number, because the mean of its divisors is an integer number (284209072).

Almost surely, 2^1101310123 is an apocalyptic number.

1101310123 is a deficient number, since it is larger than the sum of its proper divisors (35526165).

1101310123 is an equidigital number, since it uses as much as digits as its factorization.

1101310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35526164.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1101310123 is about 33185.9928735001. The cubic root of 1101310123 is about 1032.6897752621.

Adding to 1101310123 its reverse (3210131011), we get a palindrome (4311441134).

The spelling of 1101310123 in words is "one billion, one hundred one million, three hundred ten thousand, one hundred twenty-three".