234242244021 has 16 divisors (see below), whose sum is σ = 336406653440. Its totient is φ = 144501945840.

The previous prime is 234242243951. The next prime is 234242244029. The reversal of 234242244021 is 120442242432.

It is a happy number.

It is not a de Polignac number, because 234242244021 - 2²⁷ = 234108026293 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 234242244021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234242244029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47782585 + ... + 47787486.

It is an arithmetic number, because the mean of its divisors is an integer number (21025415840).

Almost surely, 2^234242244021 is an apocalyptic number.

It is an amenable number.

234242244021 is a deficient number, since it is larger than the sum of its proper divisors (102164409419).

234242244021 is a wasteful number, since it uses less digits than its factorization.

234242244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95570136.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 234242244021 its reverse (120442242432), we get a palindrome (354684486453).

The spelling of 234242244021 in words is "two hundred thirty-four billion, two hundred forty-two million, two hundred forty-four thousand, twenty-one".