2068023421 has 8 divisors (see below), whose sum is σ = 2078327160. Its totient is φ = 2057732352.

The previous prime is 2068023401. The next prime is 2068023427. The reversal of 2068023421 is 1243208602.

It can be written as a sum of positive squares in 4 ways, for example, as 89019225 + 1979004196 = 9435^2 + 44486^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2068023421 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 2068023421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068023427) 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, 555715 + ... + 559423.

It is an arithmetic number, because the mean of its divisors is an integer number (259790895).

Almost surely, 2^2068023421 is an apocalyptic number.

It is an amenable number.

2068023421 is a deficient number, since it is larger than the sum of its proper divisors (10303739).

2068023421 is a wasteful number, since it uses less digits than its factorization.

2068023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2068023421 is about 45475.5255164797. The cubic root of 2068023421 is about 1274.0461241225.

The spelling of 2068023421 in words is "two billion, sixty-eight million, twenty-three thousand, four hundred twenty-one".