2113233123 has 16 divisors (see below), whose sum is σ = 2948656896. Its totient is φ = 1343670240.

The previous prime is 2113233121. The next prime is 2113233139. The reversal of 2113233123 is 3213323112.

It is not a de Polignac number, because 2113233123 - 2¹ = 2113233121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113233123.

It is not an unprimeable number, because it can be changed into a prime (2113233121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20188 + ... + 68073.

It is an arithmetic number, because the mean of its divisors is an integer number (184291056).

Almost surely, 2^2113233123 is an apocalyptic number.

2113233123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2113233123 is a deficient number, since it is larger than the sum of its proper divisors (835423773).

2113233123 is a wasteful number, since it uses less digits than its factorization.

2113233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88634.

The product of its digits is 648, while the sum is 21.

The square root of 2113233123 is about 45969.9154121475. The cubic root of 2113233123 is about 1283.2633857118.

Adding to 2113233123 its reverse (3213323112), we get a palindrome (5326556235).

The spelling of 2113233123 in words is "two billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-three".