234133444021 has 4 divisors (see below), whose sum is σ = 234234758944. Its totient is φ = 234032129100.

The previous prime is 234133444001. The next prime is 234133444037. The reversal of 234133444021 is 120444331432.

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 not a de Polignac number, because 234133444021 - 2⁵ = 234133443989 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 (234133444001) 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, 50653995 + ... + 50658616.

It is an arithmetic number, because the mean of its divisors is an integer number (58558689736).

Almost surely, 2^234133444021 is an apocalyptic number.

It is an amenable number.

234133444021 is a deficient number, since it is larger than the sum of its proper divisors (101314923).

234133444021 is a wasteful number, since it uses less digits than its factorization.

234133444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101314922.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 234133444021 its reverse (120444331432), we get a palindrome (354577775453).

The spelling of 234133444021 in words is "two hundred thirty-four billion, one hundred thirty-three million, four hundred forty-four thousand, twenty-one".