423671611 has 4 divisors (see below), whose sum is σ = 462187224. Its totient is φ = 385156000.

The previous prime is 423671581. The next prime is 423671617. The reversal of 423671611 is 116176324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423671611 - 2⁹ = 423671099 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423671617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19257790 + ... + 19257811.

It is an arithmetic number, because the mean of its divisors is an integer number (115546806).

Almost surely, 2^423671611 is an apocalyptic number.

423671611 is a deficient number, since it is larger than the sum of its proper divisors (38515613).

423671611 is a wasteful number, since it uses less digits than its factorization.

423671611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38515612.

The product of its digits is 6048, while the sum is 31.

The square root of 423671611 is about 20583.2847475810. The cubic root of 423671611 is about 751.0631506060.

The spelling of 423671611 in words is "four hundred twenty-three million, six hundred seventy-one thousand, six hundred eleven".