236420323 has 4 divisors (see below), whose sum is σ = 240296128. Its totient is φ = 232544520.

The previous prime is 236420311. The next prime is 236420339. The reversal of 236420323 is 323024632.

It is a happy number.

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 236420323 - 2²¹ = 234323171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236420423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937811 + ... + 1937932.

It is an arithmetic number, because the mean of its divisors is an integer number (60074032).

Almost surely, 2^236420323 is an apocalyptic number.

236420323 is a deficient number, since it is larger than the sum of its proper divisors (3875805).

236420323 is an equidigital number, since it uses as much as digits as its factorization.

236420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875804.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 236420323 is about 15375.9657582865. The cubic root of 236420323 is about 618.3413200623.

Adding to 236420323 its reverse (323024632), we get a palindrome (559444955).

The spelling of 236420323 in words is "two hundred thirty-six million, four hundred twenty thousand, three hundred twenty-three".