234542074521 has 8 divisors (see below), whose sum is σ = 313175334304. Its totient is φ = 156135098880.

The previous prime is 234542074517. The next prime is 234542074531. The reversal of 234542074521 is 125470245432.

234542074521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 234542074521 - 2² = 234542074517 is a prime.

It is a super-2 number, since 2×234542074521² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234542074521.

It is not an unprimeable number, because it can be changed into a prime (234542074531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56568616 + ... + 56572761.

It is an arithmetic number, because the mean of its divisors is an integer number (39146916788).

Almost surely, 2^234542074521 is an apocalyptic number.

It is an amenable number.

234542074521 is a deficient number, since it is larger than the sum of its proper divisors (78633259783).

234542074521 is a wasteful number, since it uses less digits than its factorization.

234542074521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113142071.

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 234542074521 in words is "two hundred thirty-four billion, five hundred forty-two million, seventy-four thousand, five hundred twenty-one".