1103012313123 has 8 divisors (see below), whose sum is σ = 1680780667648. Its totient is φ = 630292750344.

The previous prime is 1103012313119. The next prime is 1103012313167. The reversal of 1103012313123 is 3213132103011.

It is a happy number.

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

It is not a de Polignac number, because 1103012313123 - 2² = 1103012313119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 52524395863 = 1103012313123 / (1 + 1 + 0 + 3 + 0 + 1 + 2 + 3 + 1 + 3 + 1 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103012313123.

It is not an unprimeable number, because it can be changed into a prime (1103012313523) 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 7 ways as a sum of consecutive naturals, for example, 26262197911 + ... + 26262197952.

It is an arithmetic number, because the mean of its divisors is an integer number (210097583456).

Almost surely, 2^{1103012313123} is an apocalyptic number.

1103012313123 is a deficient number, since it is larger than the sum of its proper divisors (577768354525).

1103012313123 is an equidigital number, since it uses as much as digits as its factorization.

1103012313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52524395873.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1103012313123 its reverse (3213132103011), we get a palindrome (4316144416134).

The spelling of 1103012313123 in words is "one trillion, one hundred three billion, twelve million, three hundred thirteen thousand, one hundred twenty-three".