4006912823 has 18 divisors (see below), whose sum is σ = 4266117576. Its totient is φ = 3756329808.

The previous prime is 4006912807. The next prime is 4006912859. The reversal of 4006912823 is 3282196004.

It is not a de Polignac number, because 4006912823 - 2⁴ = 4006912807 is a prime.

It is a super-2 number, since 2×4006912823² = 32110700742243658658, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006912873) 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 17 ways as a sum of consecutive naturals, for example, 20339561 + ... + 20339757.

It is an arithmetic number, because the mean of its divisors is an integer number (237006532).

Almost surely, 2^4006912823 is an apocalyptic number.

4006912823 is a deficient number, since it is larger than the sum of its proper divisors (259204753).

4006912823 is an frugal number, since it uses more digits than its factorization.

4006912823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4006912823 is about 63300.1802762046. The cubic root of 4006912823 is about 1588.3149775616.

The spelling of 4006912823 in words is "four billion, six million, nine hundred twelve thousand, eight hundred twenty-three".