133123300 has 36 divisors (see below), whose sum is σ = 298203136. Its totient is φ = 51530400.

The previous prime is 133123279. The next prime is 133123321. The reversal of 133123300 is 3321331.

It is an interprime number because it is at equal distance from previous prime (133123279) and next prime (133123321).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18372 + ... + 24571.

Almost surely, 2^133123300 is an apocalyptic number.

133123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133123300 is an abundant number, since it is smaller than the sum of its proper divisors (165079836).

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

133123300 is a wasteful number, since it uses less digits than its factorization.

133123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42988 (or 42981 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 133123300 is about 11537.9070892428. The cubic root of 133123300 is about 510.6045630775.

Adding to 133123300 its reverse (3321331), we get a palindrome (136444631).

The spelling of 133123300 in words is "one hundred thirty-three million, one hundred twenty-three thousand, three hundred".