233211933 has 16 divisors (see below), whose sum is σ = 365823360. Its totient is φ = 146328768.

The previous prime is 233211911. The next prime is 233211943. The reversal of 233211933 is 339112332.

233211933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 233211933 - 2¹⁴ = 233195549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 233211897 and 233211906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233211943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253585 + ... + 254502.

It is an arithmetic number, because the mean of its divisors is an integer number (22863960).

Almost surely, 2^233211933 is an apocalyptic number.

It is an amenable number.

233211933 is a deficient number, since it is larger than the sum of its proper divisors (132611427).

233211933 is a wasteful number, since it uses less digits than its factorization.

233211933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508113 (or 508107 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 233211933 is about 15271.2780408190. The cubic root of 233211933 is about 615.5314620716.

The spelling of 233211933 in words is "two hundred thirty-three million, two hundred eleven thousand, nine hundred thirty-three".