234000304021 has 4 divisors (see below), whose sum is σ = 255273058944. Its totient is φ = 212727549100.

The previous prime is 234000304007. The next prime is 234000304051. The reversal of 234000304021 is 120403000432.

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 234000304021 - 2⁵ = 234000303989 is a prime.

It is a super-2 number, since 2×234000304021² (a number of 24 digits) contains 22 as substring.

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 234000304021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234000304001) 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, 10636377445 + ... + 10636377466.

It is an arithmetic number, because the mean of its divisors is an integer number (63818264736).

Almost surely, 2^234000304021 is an apocalyptic number.

It is an amenable number.

234000304021 is a deficient number, since it is larger than the sum of its proper divisors (21272754923).

234000304021 is a wasteful number, since it uses less digits than its factorization.

234000304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21272754922.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 234000304021 its reverse (120403000432), we get a palindrome (354403304453).

The spelling of 234000304021 in words is "two hundred thirty-four billion, three hundred four thousand, twenty-one".