4238523091 has 8 divisors (see below), whose sum is σ = 4630932144. Its totient is φ = 3847295520.

The previous prime is 4238523071. The next prime is 4238523103. The reversal of 4238523091 is 1903258324.

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

It is a cyclic number.

It is not a de Polignac number, because 4238523091 - 2¹¹ = 4238521043 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 4238523091.

It is not an unprimeable number, because it can be changed into a prime (4238523031) 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, 287856 + ... + 302221.

It is an arithmetic number, because the mean of its divisors is an integer number (578866518).

Almost surely, 2^4238523091 is an apocalyptic number.

4238523091 is a deficient number, since it is larger than the sum of its proper divisors (392409053).

4238523091 is a wasteful number, since it uses less digits than its factorization.

4238523091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590741.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 4238523091 is about 65103.9406718211. The cubic root of 4238523091 is about 1618.3465183500.

The spelling of 4238523091 in words is "four billion, two hundred thirty-eight million, five hundred twenty-three thousand, ninety-one".