23138996945328 has 80 divisors (see below), whose sum is σ = 72455444995200. Its totient is φ = 7011817254720.

The previous prime is 23138996945293. The next prime is 23138996945353. The reversal of 23138996945328 is 82354969983132.

23138996945328 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 8 + 99 + 69 + 453 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 2434654018 + ... + 2434663521.

It is an arithmetic number, because the mean of its divisors is an integer number (905693062440).

Almost surely, 2^{23138996945328} is an apocalyptic number.

It is an amenable number.

23138996945328 is an abundant number, since it is smaller than the sum of its proper divisors (49316448049872).

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

23138996945328 is a wasteful number, since it uses less digits than its factorization.

23138996945328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869317567 (or 4869317555 counting only the distinct ones).

The product of its digits is 604661760, while the sum is 72.

The spelling of 23138996945328 in words is "twenty-three trillion, one hundred thirty-eight billion, nine hundred ninety-six million, nine hundred forty-five thousand, three hundred twenty-eight".