133333023320 has 32 divisors (see below), whose sum is σ = 342856346400. Its totient is φ = 45714179328.

The previous prime is 133333023301. The next prime is 133333023349. The reversal of 133333023320 is 23320333331.

It is a self number, because there is not a number n which added to its sum of digits gives 133333023320.

It is a congruent number.

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, 238094405 + ... + 238094964.

It is an arithmetic number, because the mean of its divisors is an integer number (10714260825).

Almost surely, 2^133333023320 is an apocalyptic number.

133333023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133333023320 is an abundant number, since it is smaller than the sum of its proper divisors (209523323080).

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

133333023320 is a wasteful number, since it uses less digits than its factorization.

133333023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476189387 (or 476189383 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 26.

Adding to 133333023320 its reverse (23320333331), we get a palindrome (156653356651).

The spelling of 133333023320 in words is "one hundred thirty-three billion, three hundred thirty-three million, twenty-three thousand, three hundred twenty".