23128581242 has 16 divisors (see below), whose sum is σ = 37510415712. Its totient is φ = 10632198000.

The previous prime is 23128581239. The next prime is 23128581317. The reversal of 23128581242 is 24218582132.

It is a junction number, because it is equal to n+sod(n) for n = 23128581196 and 23128581205.

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, 1765508 + ... + 1778559.

It is an arithmetic number, because the mean of its divisors is an integer number (2344400982).

Almost surely, 2^23128581242 is an apocalyptic number.

23128581242 is a deficient number, since it is larger than the sum of its proper divisors (14381834470).

23128581242 is a wasteful number, since it uses less digits than its factorization.

23128581242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544333.

The product of its digits is 61440, while the sum is 38.

The spelling of 23128581242 in words is "twenty-three billion, one hundred twenty-eight million, five hundred eighty-one thousand, two hundred forty-two".