1113344020423 has 16 divisors (see below), whose sum is σ = 1140691500000. Its totient is φ = 1086341068800.

The previous prime is 1113344020363. The next prime is 1113344020469. The reversal of 1113344020423 is 3240204433111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1113344020423 - 2⁹ = 1113344019911 is a prime.

It is a super-3 number, since 3×1113344020423³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113344020391 and 1113344020400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113344020483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9148428 + ... + 9269326.

It is an arithmetic number, because the mean of its divisors is an integer number (71293218750).

Almost surely, 2^{1113344020423} is an apocalyptic number.

1113344020423 is a deficient number, since it is larger than the sum of its proper divisors (27347479577).

1113344020423 is a wasteful number, since it uses less digits than its factorization.

1113344020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122322.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1113344020423 its reverse (3240204433111), we get a palindrome (4353548453534).

The spelling of 1113344020423 in words is "one trillion, one hundred thirteen billion, three hundred forty-four million, twenty thousand, four hundred twenty-three".