234450021 has 8 divisors (see below), whose sum is σ = 336646240. Its totient is φ = 144276912.

The previous prime is 234449983. The next prime is 234450037. The reversal of 234450021 is 120054432.

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

It is not a de Polignac number, because 234450021 - 2¹⁴ = 234433637 is a prime.

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 234450021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234450071) 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 7 ways as a sum of consecutive naturals, for example, 3005731 + ... + 3005808.

It is an arithmetic number, because the mean of its divisors is an integer number (42080780).

Almost surely, 2^234450021 is an apocalyptic number.

It is an amenable number.

234450021 is a deficient number, since it is larger than the sum of its proper divisors (102196219).

234450021 is a wasteful number, since it uses less digits than its factorization.

234450021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011555.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 234450021 is about 15311.7608719572. The cubic root of 234450021 is about 616.6187956346.

The spelling of 234450021 in words is "two hundred thirty-four million, four hundred fifty thousand, twenty-one".