1101423443013 has 6 divisors (see below), whose sum is σ = 1590944973254. Its totient is φ = 734282295336.

The previous prime is 1101423442993. The next prime is 1101423443017. The reversal of 1101423443013 is 3103443241011.

1101423443013 is a `hidden beast` number, since 1 + 1 + 0 + 14 + 2 + 344 + 301 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 671404888449 + 430018554564 = 819393^2 + 655758^2 .

It is not a de Polignac number, because 1101423443013 - 2⁶ = 1101423442949 is a prime.

It is a super-2 number, since 2×1101423443013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101423443017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61190191270 + ... + 61190191287.

Almost surely, 2^{1101423443013} is an apocalyptic number.

It is an amenable number.

1101423443013 is a deficient number, since it is larger than the sum of its proper divisors (489521530241).

1101423443013 is a wasteful number, since it uses less digits than its factorization.

1101423443013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122380382563 (or 122380382560 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1101423443013 its reverse (3103443241011), we get a palindrome (4204866684024).

The spelling of 1101423443013 in words is "one trillion, one hundred one billion, four hundred twenty-three million, four hundred forty-three thousand, thirteen".