234142421 has 8 divisors (see below), whose sum is σ = 239161440. Its totient is φ = 229168368.

The previous prime is 234142409. The next prime is 234142423. The reversal of 234142421 is 124241432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234142421 - 2²⁶ = 167033557 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 (234142423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611 + ... + 21648.

It is an arithmetic number, because the mean of its divisors is an integer number (29895180).

Almost surely, 2^234142421 is an apocalyptic number.

It is an amenable number.

234142421 is a deficient number, since it is larger than the sum of its proper divisors (5019019).

234142421 is a wasteful number, since it uses less digits than its factorization.

234142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22483.

The product of its digits is 1536, while the sum is 23.

The square root of 234142421 is about 15301.7130086798. The cubic root of 234142421 is about 616.3490082808.

Adding to 234142421 its reverse (124241432), we get a palindrome (358383853).

The spelling of 234142421 in words is "two hundred thirty-four million, one hundred forty-two thousand, four hundred twenty-one".