235506823 has 4 divisors (see below), whose sum is σ = 235541880. Its totient is φ = 235471768.

The previous prime is 235506793. The next prime is 235506839. The reversal of 235506823 is 328605532.

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 235506823 - 2¹³ = 235498631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235506853) 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, 3940 + ... + 22057.

It is an arithmetic number, because the mean of its divisors is an integer number (58885470).

Almost surely, 2^235506823 is an apocalyptic number.

235506823 is a deficient number, since it is larger than the sum of its proper divisors (35057).

235506823 is an equidigital number, since it uses as much as digits as its factorization.

235506823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35056.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 235506823 is about 15346.2315569654. The cubic root of 235506823 is about 617.5438930264.

The spelling of 235506823 in words is "two hundred thirty-five million, five hundred six thousand, eight hundred twenty-three".