234123023422521 has 64 divisors (see below), whose sum is σ = 365517549619200. Its totient is φ = 147699819893952.

The previous prime is 234123023422511. The next prime is 234123023422523. The reversal of 234123023422521 is 125224320321432.

234123023422521 is a `hidden beast` number, since 2 + 3 + 4 + 1 + 2 + 302 + 342 + 2 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 234123023422521 - 2⁵ = 234123023422489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234123023422523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1910632371 + ... + 1910754903.

It is an arithmetic number, because the mean of its divisors is an integer number (5711211712800).

Almost surely, 2^{234123023422521} is an apocalyptic number.

It is an amenable number.

234123023422521 is a deficient number, since it is larger than the sum of its proper divisors (131394526196679).

234123023422521 is a wasteful number, since it uses less digits than its factorization.

234123023422521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126747 (or 126741 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 234123023422521 its reverse (125224320321432), we get a palindrome (359347343743953).

The spelling of 234123023422521 in words is "two hundred thirty-four trillion, one hundred twenty-three billion, twenty-three million, four hundred twenty-two thousand, five hundred twenty-one".