2113623435044 has 48 divisors (see below), whose sum is σ = 4041667699776. Its totient is φ = 959174736000.

The previous prime is 2113623435023. The next prime is 2113623435071. The reversal of 2113623435044 is 4405343263112.

It is a junction number, because it is equal to n+sod(n) for n = 2113623434989 and 2113623435007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182250254 + ... + 182261850.

It is an arithmetic number, because the mean of its divisors is an integer number (84201410412).

Almost surely, 2^{2113623435044} is an apocalyptic number.

It is an amenable number.

2113623435044 is a deficient number, since it is larger than the sum of its proper divisors (1928044264732).

2113623435044 is a wasteful number, since it uses less digits than its factorization.

2113623435044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996 (or 17994 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 2113623435044 its reverse (4405343263112), we get a palindrome (6518966698156).

The spelling of 2113623435044 in words is "two trillion, one hundred thirteen billion, six hundred twenty-three million, four hundred thirty-five thousand, forty-four".