423420117 has 4 divisors (see below), whose sum is σ = 564560160. Its totient is φ = 282280076.

The previous prime is 423420091. The next prime is 423420121. The reversal of 423420117 is 711024324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423420117 - 2⁷ = 423419989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423420017) 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, 70570017 + ... + 70570022.

It is an arithmetic number, because the mean of its divisors is an integer number (141140040).

Almost surely, 2^423420117 is an apocalyptic number.

It is an amenable number.

423420117 is a deficient number, since it is larger than the sum of its proper divisors (141140043).

423420117 is a wasteful number, since it uses less digits than its factorization.

423420117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141140042.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 423420117 is about 20577.1746602880. The cubic root of 423420117 is about 750.9145093326.

The spelling of 423420117 in words is "four hundred twenty-three million, four hundred twenty thousand, one hundred seventeen".