4023813919 has 6 divisors (see below), whose sum is σ = 4153978976. Its totient is φ = 3893671680.

The previous prime is 4023813889. The next prime is 4023813971. The reversal of 4023813919 is 9193183204.

It is not a de Polignac number, because 4023813919 - 2¹¹ = 4023811871 is a prime.

It is a super-2 number, since 2×4023813919² = 32382156909476277122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023810919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347487 + ... + 358879.

Almost surely, 2^4023813919 is an apocalyptic number.

4023813919 is a deficient number, since it is larger than the sum of its proper divisors (130165057).

4023813919 is an frugal number, since it uses more digits than its factorization.

4023813919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22817 (or 11424 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 4023813919 is about 63433.5393857224. The cubic root of 4023813919 is about 1590.5450077118.

The spelling of 4023813919 in words is "four billion, twenty-three million, eight hundred thirteen thousand, nine hundred nineteen".