133423210 has 16 divisors (see below), whose sum is σ = 240345216. Its totient is φ = 53328528.

The previous prime is 133423201. The next prime is 133423211. The reversal of 133423210 is 12324331.

It is a super-3 number, since 3×133423210³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (133423211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11107 + ... + 19753.

It is an arithmetic number, because the mean of its divisors is an integer number (15021576).

Almost surely, 2^133423210 is an apocalyptic number.

133423210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133423210 is a deficient number, since it is larger than the sum of its proper divisors (106922006).

133423210 is a wasteful number, since it uses less digits than its factorization.

133423210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133423210 is about 11550.8965020036. The cubic root of 133423210 is about 510.9877180423.

Adding to 133423210 its reverse (12324331), we get a palindrome (145747541).

The spelling of 133423210 in words is "one hundred thirty-three million, four hundred twenty-three thousand, two hundred ten".