2113023232 has 72 divisors (see below), whose sum is σ = 4438255752. Its totient is φ = 1002700800.

The previous prime is 2113023217. The next prime is 2113023233. The reversal of 2113023232 is 2323203112.

It can be written as a sum of positive squares in 4 ways, for example, as 410305536 + 1702717696 = 20256^2 + 41264^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113023233) 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, 385632 + ... + 391072.

It is an arithmetic number, because the mean of its divisors is an integer number (61642441).

Almost surely, 2^2113023232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219127876).

2113023232 is an abundant number, since it is smaller than the sum of its proper divisors (2325232520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113023232 is an equidigital number, since it uses as much as digits as its factorization.

2113023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5521 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2113023232 is about 45967.6324384887. The cubic root of 2113023232 is about 1283.2208987834.

Adding to 2113023232 its reverse (2323203112), we get a palindrome (4436226344).

The spelling of 2113023232 in words is "two billion, one hundred thirteen million, twenty-three thousand, two hundred thirty-two".