2013244330123 has 4 divisors (see below), whose sum is σ = 2168109278608. Its totient is φ = 1858379381640.

The previous prime is 2013244330103. The next prime is 2013244330169. The reversal of 2013244330123 is 3210334423102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2013244330123 - 2²⁵ = 2013210775691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013244330091 and 2013244330100.

It is not an unprimeable number, because it can be changed into a prime (2013244330103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77432474223 + ... + 77432474248.

It is an arithmetic number, because the mean of its divisors is an integer number (542027319652).

Almost surely, 2^{2013244330123} is an apocalyptic number.

2013244330123 is a deficient number, since it is larger than the sum of its proper divisors (154864948485).

2013244330123 is a wasteful number, since it uses less digits than its factorization.

2013244330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154864948484.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2013244330123 its reverse (3210334423102), we get a palindrome (5223578753225).

The spelling of 2013244330123 in words is "two trillion, thirteen billion, two hundred forty-four million, three hundred thirty thousand, one hundred twenty-three".