2123113425043 has 16 divisors (see below), whose sum is σ = 2288121937920. Its totient is φ = 1958347179936.

The previous prime is 2123113424989. The next prime is 2123113425049. The reversal of 2123113425043 is 3405243113212.

It is a cyclic number.

It is not a de Polignac number, because 2123113425043 - 2²¹ = 2123111327891 is a prime.

It is a super-2 number, since 2×2123113425043² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123113424996 and 2123113425014.

It is not an unprimeable number, because it can be changed into a prime (2123113425049) 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, 138875946 + ... + 138891232.

It is an arithmetic number, because the mean of its divisors is an integer number (143007621120).

Almost surely, 2^{2123113425043} is an apocalyptic number.

2123113425043 is a deficient number, since it is larger than the sum of its proper divisors (165008512877).

2123113425043 is a wasteful number, since it uses less digits than its factorization.

2123113425043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22506.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2123113425043 its reverse (3405243113212), we get a palindrome (5528356538255).

The spelling of 2123113425043 in words is "two trillion, one hundred twenty-three billion, one hundred thirteen million, four hundred twenty-five thousand, forty-three".