4001662423 has 8 divisors (see below), whose sum is σ = 4370438160. Its totient is φ = 3633718080.

The previous prime is 4001662397. The next prime is 4001662439. The reversal of 4001662423 is 3242661004.

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 4001662423 - 2¹³ = 4001654231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4001662391 and 4001662400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001662493) 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, 197758 + ... + 217051.

It is an arithmetic number, because the mean of its divisors is an integer number (546304770).

Almost surely, 2^4001662423 is an apocalyptic number.

4001662423 is a deficient number, since it is larger than the sum of its proper divisors (368775737).

4001662423 is a wasteful number, since it uses less digits than its factorization.

4001662423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415697.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4001662423 is about 63258.6944459021. The cubic root of 4001662423 is about 1587.6209325114.

The spelling of 4001662423 in words is "four billion, one million, six hundred sixty-two thousand, four hundred twenty-three".