2123532042 has 16 divisors (see below), whose sum is σ = 4306882752. Its totient is φ = 697874240.

The previous prime is 2123531987. The next prime is 2123532077. The reversal of 2123532042 is 2402353212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491983 + ... + 2492834.

It is an arithmetic number, because the mean of its divisors is an integer number (269180172).

Almost surely, 2^2123532042 is an apocalyptic number.

2123532042 is an abundant number, since it is smaller than the sum of its proper divisors (2183350710).

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

2123532042 is a wasteful number, since it uses less digits than its factorization.

2123532042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984893.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2123532042 is about 46081.7972956785. The cubic root of 2123532042 is about 1285.3446853002.

Adding to 2123532042 its reverse (2402353212), we get a palindrome (4525885254).

The spelling of 2123532042 in words is "two billion, one hundred twenty-three million, five hundred thirty-two thousand, forty-two".