423667671 has 12 divisors (see below), whose sum is σ = 657117432. Its totient is φ = 242095728.

The previous prime is 423667661. The next prime is 423667709. The reversal of 423667671 is 176766324.

It is a happy number.

It is not a de Polignac number, because 423667671 - 2⁵ = 423667639 is a prime.

It is a super-3 number, since 3×423667671³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423667661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1440900 + ... + 1441193.

It is an arithmetic number, because the mean of its divisors is an integer number (54759786).

Almost surely, 2^423667671 is an apocalyptic number.

423667671 is a deficient number, since it is larger than the sum of its proper divisors (233449761).

423667671 is a wasteful number, since it uses less digits than its factorization.

423667671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882110 (or 2882103 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 423667671 is about 20583.1890386305. The cubic root of 423667671 is about 751.0608223893.

The spelling of 423667671 in words is "four hundred twenty-three million, six hundred sixty-seven thousand, six hundred seventy-one".