235303074021 has 4 divisors (see below), whose sum is σ = 313737432032. Its totient is φ = 156868716012.

The previous prime is 235303074007. The next prime is 235303074029. The reversal of 235303074021 is 120470303532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 235303074021 - 2⁵ = 235303073989 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 235303074021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235303074029) 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, 39217179001 + ... + 39217179006.

It is an arithmetic number, because the mean of its divisors is an integer number (78434358008).

Almost surely, 2^235303074021 is an apocalyptic number.

It is an amenable number.

235303074021 is a deficient number, since it is larger than the sum of its proper divisors (78434358011).

235303074021 is an equidigital number, since it uses as much as digits as its factorization.

235303074021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78434358010.

The product of its (nonzero) digits is 15120, while the sum is 30.

Adding to 235303074021 its reverse (120470303532), we get a palindrome (355773377553).

The spelling of 235303074021 in words is "two hundred thirty-five billion, three hundred three million, seventy-four thousand, twenty-one".