2113023444 has 48 divisors (see below), whose sum is σ = 5663968128. Its totient is φ = 600588288.

The previous prime is 2113023443. The next prime is 2113023461. The reversal of 2113023444 is 4443203112.

It is a super-2 number, since 2×2113023444² = 8929736149787242272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113023443) 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, 48957 + ... + 81380.

It is an arithmetic number, because the mean of its divisors is an integer number (117999336).

Almost surely, 2^2113023444 is an apocalyptic number.

It is an amenable number.

2113023444 is an abundant number, since it is smaller than the sum of its proper divisors (3550944684).

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

2113023444 is a wasteful number, since it uses less digits than its factorization.

2113023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130544 (or 130542 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2113023444 is about 45967.6347444591. The cubic root of 2113023444 is about 1283.2209416987.

Adding to 2113023444 its reverse (4443203112), we get a palindrome (6556226556).

The spelling of 2113023444 in words is "two billion, one hundred thirteen million, twenty-three thousand, four hundred forty-four".