233355789138 has 16 divisors (see below), whose sum is σ = 468212262336. Its totient is φ = 77535149040.

The previous prime is 233355789097. The next prime is 233355789157. The reversal of 233355789138 is 831987553332.

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, 62526481 + ... + 62530212.

It is an arithmetic number, because the mean of its divisors is an integer number (29263266396).

Almost surely, 2^233355789138 is an apocalyptic number.

233355789138 is an abundant number, since it is smaller than the sum of its proper divisors (234856473198).

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

233355789138 is a wasteful number, since it uses less digits than its factorization.

233355789138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125057009.

The product of its digits is 16329600, while the sum is 57.

The spelling of 233355789138 in words is "two hundred thirty-three billion, three hundred fifty-five million, seven hundred eighty-nine thousand, one hundred thirty-eight".