111365312423 has 8 divisors (see below), whose sum is σ = 118921802880. Its totient is φ = 104056575840.

The previous prime is 111365312411. The next prime is 111365312437. The reversal of 111365312423 is 324213563111.

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

It is a cyclic number.

It is not a de Polignac number, because 111365312423 - 2¹⁰ = 111365311399 is a prime.

It is a super-2 number, since 2×111365312423² (a number of 23 digits) contains 22 as substring.

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 111365312423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111365317423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61937540 + ... + 61939337.

It is an arithmetic number, because the mean of its divisors is an integer number (14865225360).

Almost surely, 2^111365312423 is an apocalyptic number.

111365312423 is a deficient number, since it is larger than the sum of its proper divisors (7556490457).

111365312423 is a wasteful number, since it uses less digits than its factorization.

111365312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123876937.

The product of its digits is 12960, while the sum is 32.

Adding to 111365312423 its reverse (324213563111), we get a palindrome (435578875534).

The spelling of 111365312423 in words is "one hundred eleven billion, three hundred sixty-five million, three hundred twelve thousand, four hundred twenty-three".