111233123013 has 8 divisors (see below), whose sum is σ = 148338281728. Its totient is φ = 74141689824.

The previous prime is 111233122981. The next prime is 111233123059. The reversal of 111233123013 is 310321332111.

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 111233123013 - 2⁵ = 111233122981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111233123083) 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, 3412456 + ... + 3444897.

It is an arithmetic number, because the mean of its divisors is an integer number (18542285216).

Almost surely, 2^111233123013 is an apocalyptic number.

It is an amenable number.

111233123013 is a deficient number, since it is larger than the sum of its proper divisors (37105158715).

111233123013 is an equidigital number, since it uses as much as digits as its factorization.

111233123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862763.

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

Adding to 111233123013 its reverse (310321332111), we get a palindrome (421554455124).

The spelling of 111233123013 in words is "one hundred eleven billion, two hundred thirty-three million, one hundred twenty-three thousand, thirteen".