1423408917 has 8 divisors (see below), whose sum is σ = 2169004096. Its totient is φ = 813376512.

The previous prime is 1423408913. The next prime is 1423408967. The reversal of 1423408917 is 7198043241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1423408917 - 2² = 1423408913 is a prime.

It is a super-2 number, since 2×1423408917² = 4052185889990225778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423408913) 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, 33890668 + ... + 33890709.

It is an arithmetic number, because the mean of its divisors is an integer number (271125512).

Almost surely, 2^1423408917 is an apocalyptic number.

It is an amenable number.

1423408917 is a deficient number, since it is larger than the sum of its proper divisors (745595179).

1423408917 is an equidigital number, since it uses as much as digits as its factorization.

1423408917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67781387.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1423408917 is about 37728.0918812494. The cubic root of 1423408917 is about 1124.8895804712.

The spelling of 1423408917 in words is "one billion, four hundred twenty-three million, four hundred eight thousand, nine hundred seventeen".