234334311421 has 4 divisors (see below), whose sum is σ = 267810641632. Its totient is φ = 200857981212.

The previous prime is 234334311391. The next prime is 234334311433. The reversal of 234334311421 is 124113433432.

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 not a de Polignac number, because 234334311421 - 2¹¹ = 234334309373 is a prime.

It is a super-2 number, since 2×234334311421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234334311721) 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, 16738165095 + ... + 16738165108.

It is an arithmetic number, because the mean of its divisors is an integer number (66952660408).

Almost surely, 2^234334311421 is an apocalyptic number.

It is an amenable number.

234334311421 is a deficient number, since it is larger than the sum of its proper divisors (33476330211).

234334311421 is an equidigital number, since it uses as much as digits as its factorization.

234334311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33476330210.

The product of its digits is 20736, while the sum is 31.

Adding to 234334311421 its reverse (124113433432), we get a palindrome (358447744853).

The spelling of 234334311421 in words is "two hundred thirty-four billion, three hundred thirty-four million, three hundred eleven thousand, four hundred twenty-one".