235434022021 has 32 divisors (see below), whose sum is σ = 272283088896. Its totient is φ = 201480840000.

The previous prime is 235434022013. The next prime is 235434022039. The reversal of 235434022021 is 120220434532.

It is not a de Polignac number, because 235434022021 - 2³ = 235434022013 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 (235434022051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4239766 + ... + 4294936.

It is an arithmetic number, because the mean of its divisors is an integer number (8508846528).

Almost surely, 2^235434022021 is an apocalyptic number.

It is an amenable number.

235434022021 is a deficient number, since it is larger than the sum of its proper divisors (36849066875).

235434022021 is a wasteful number, since it uses less digits than its factorization.

235434022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55473.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 235434022021 its reverse (120220434532), we get a palindrome (355654456553).

The spelling of 235434022021 in words is "two hundred thirty-five billion, four hundred thirty-four million, twenty-two thousand, twenty-one".