234041506421 has 4 divisors (see below), whose sum is σ = 234084228000. Its totient is φ = 233998784844.

The previous prime is 234041506411. The next prime is 234041506453. The reversal of 234041506421 is 124605140432.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234041506421 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 (234041506411) 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, 21352571 + ... + 21363528.

It is an arithmetic number, because the mean of its divisors is an integer number (58521057000).

Almost surely, 2^234041506421 is an apocalyptic number.

It is an amenable number.

234041506421 is a deficient number, since it is larger than the sum of its proper divisors (42721579).

234041506421 is an equidigital number, since it uses as much as digits as its factorization.

234041506421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42721578.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 234041506421 its reverse (124605140432), we get a palindrome (358646646853).

The spelling of 234041506421 in words is "two hundred thirty-four billion, forty-one million, five hundred six thousand, four hundred twenty-one".