233213011 has 4 divisors (see below), whose sum is σ = 245487400. Its totient is φ = 220938624.

The previous prime is 233213009. The next prime is 233213033. The reversal of 233213011 is 110312332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233213011 - 2¹ = 233213009 is a prime.

It is a super-2 number, since 2×233213011² = 108776616999372242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233213311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6137166 + ... + 6137203.

It is an arithmetic number, because the mean of its divisors is an integer number (61371850).

Almost surely, 2^233213011 is an apocalyptic number.

233213011 is a deficient number, since it is larger than the sum of its proper divisors (12274389).

233213011 is a wasteful number, since it uses less digits than its factorization.

233213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274388.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 233213011 is about 15271.3133357940. The cubic root of 233213011 is about 615.5324104820.

Adding to 233213011 its reverse (110312332), we get a palindrome (343525343).

The spelling of 233213011 in words is "two hundred thirty-three million, two hundred thirteen thousand, eleven".