423660027 has 24 divisors (see below), whose sum is σ = 674873616. Its totient is φ = 235545408.

The previous prime is 423660019. The next prime is 423660031. The reversal of 423660027 is 720066324.

It is not a de Polignac number, because 423660027 - 2³ = 423660019 is a prime.

It is a super-3 number, since 3×423660027³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423659976 and 423660003.

It is not an unprimeable number, because it can be changed into a prime (423660227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33508 + ... + 44385.

It is an arithmetic number, because the mean of its divisors is an integer number (28119734).

Almost surely, 2^423660027 is an apocalyptic number.

423660027 is a deficient number, since it is larger than the sum of its proper divisors (251213589).

423660027 is a wasteful number, since it uses less digits than its factorization.

423660027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77947 (or 77940 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 423660027 is about 20583.0033522807. The cubic root of 423660027 is about 751.0563053713.

The spelling of 423660027 in words is "four hundred twenty-three million, six hundred sixty thousand, twenty-seven".