234355371021 has 24 divisors (see below), whose sum is σ = 342634612320. Its totient is φ = 154335247776.

The previous prime is 234355371007. The next prime is 234355371031. The reversal of 234355371021 is 120173553432.

234355371021 is a `hidden beast` number, since 2 + 34 + 3 + 553 + 71 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 234355371021 - 2¹⁴ = 234355354637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234355371031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8350150 + ... + 8378168.

It is an arithmetic number, because the mean of its divisors is an integer number (14276442180).

Almost surely, 2^234355371021 is an apocalyptic number.

It is an amenable number.

234355371021 is a deficient number, since it is larger than the sum of its proper divisors (108279241299).

234355371021 is a wasteful number, since it uses less digits than its factorization.

234355371021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39305 (or 39302 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 234355371021 in words is "two hundred thirty-four billion, three hundred fifty-five million, three hundred seventy-one thousand, twenty-one".