234421112133 has 12 divisors (see below), whose sum is σ = 364655063500. Its totient is φ = 144259145856.

The previous prime is 234421112131. The next prime is 234421112137. The reversal of 234421112133 is 331211124432.

234421112133 is a `hidden beast` number, since 2 + 3 + 442 + 1 + 1 + 1 + 213 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10637240769 + 223783871364 = 103137^2 + 473058^2 .

It is not a de Polignac number, because 234421112133 - 2¹ = 234421112131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234421112097 and 234421112106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234421112131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001799508 + ... + 1001799741.

Almost surely, 2^234421112133 is an apocalyptic number.

It is an amenable number.

234421112133 is a deficient number, since it is larger than the sum of its proper divisors (130233951367).

234421112133 is a wasteful number, since it uses less digits than its factorization.

234421112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003599268 (or 2003599265 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 234421112133 its reverse (331211124432), we get a palindrome (565632236565).

The spelling of 234421112133 in words is "two hundred thirty-four billion, four hundred twenty-one million, one hundred twelve thousand, one hundred thirty-three".