233420011 has 12 divisors (see below), whose sum is σ = 262832472. Its totient is φ = 207020000.

The previous prime is 233420009. The next prime is 233420021. The reversal of 233420011 is 110024332.

It is a happy number.

It is not a de Polignac number, because 233420011 - 2¹ = 233420009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233420021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18565 + ... + 28486.

It is an arithmetic number, because the mean of its divisors is an integer number (21902706).

Almost surely, 2^233420011 is an apocalyptic number.

233420011 is a deficient number, since it is larger than the sum of its proper divisors (29412461).

233420011 is a wasteful number, since it uses less digits than its factorization.

233420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47114 (or 47103 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 233420011 is about 15278.0892457139. The cubic root of 233420011 is about 615.7144722647.

Adding to 233420011 its reverse (110024332), we get a palindrome (343444343).

The spelling of 233420011 in words is "two hundred thirty-three million, four hundred twenty thousand, eleven".