423613999 has 8 divisors (see below), whose sum is σ = 441559088. Its totient is φ = 406010880.

The previous prime is 423613943. The next prime is 423614021. The reversal of 423613999 is 999316324.

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 423613999 - 2¹³ = 423605807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423613909) 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, 82962 + ... + 87919.

It is an arithmetic number, because the mean of its divisors is an integer number (55194886).

Almost surely, 2^423613999 is an apocalyptic number.

423613999 is a deficient number, since it is larger than the sum of its proper divisors (17945089).

423613999 is a wasteful number, since it uses less digits than its factorization.

423613999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170985.

The product of its digits is 314928, while the sum is 46.

The square root of 423613999 is about 20581.8852149165. The cubic root of 423613999 is about 751.0291052034.

It can be divided in two parts, 42361 and 3999, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 423613999 in words is "four hundred twenty-three million, six hundred thirteen thousand, nine hundred ninety-nine".