2123400041 has 16 divisors (see below), whose sum is σ = 2441387520. Its totient is φ = 1809104640.

The previous prime is 2123400031. The next prime is 2123400061. The reversal of 2123400041 is 1400043212.

It is a de Polignac number, because none of the positive numbers 2^k-2123400041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2123399992 and 2123400019.

It is not an unprimeable number, because it can be changed into a prime (2123400031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433021 + ... + 1434501.

It is an arithmetic number, because the mean of its divisors is an integer number (152586720).

Almost surely, 2^2123400041 is an apocalyptic number.

It is an amenable number.

2123400041 is a deficient number, since it is larger than the sum of its proper divisors (317987479).

2123400041 is a wasteful number, since it uses less digits than its factorization.

2123400041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2123400041 is about 46080.3650267660. The cubic root of 2123400041 is about 1285.3180519528.

Adding to 2123400041 its reverse (1400043212), we get a palindrome (3523443253).

The spelling of 2123400041 in words is "two billion, one hundred twenty-three million, four hundred thousand, forty-one".