233242405 has 16 divisors (see below), whose sum is σ = 307220544. Its totient is φ = 168583680.

The previous prime is 233242393. The next prime is 233242409. The reversal of 233242405 is 504242332.

It is not a de Polignac number, because 233242405 - 2²⁵ = 199687973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233242405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233242409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4044 + ... + 21973.

It is an arithmetic number, because the mean of its divisors is an integer number (19201284).

Almost surely, 2^233242405 is an apocalyptic number.

It is an amenable number.

233242405 is a deficient number, since it is larger than the sum of its proper divisors (73978139).

233242405 is a wasteful number, since it uses less digits than its factorization.

233242405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26196.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 233242405 is about 15272.2756981401. The cubic root of 233242405 is about 615.5582698162.

Adding to 233242405 its reverse (504242332), we get a palindrome (737484737).

The spelling of 233242405 in words is "two hundred thirty-three million, two hundred forty-two thousand, four hundred five".