1423009418 has 8 divisors (see below), whose sum is σ = 2192203812. Its totient is φ = 692274816.

The previous prime is 1423009417. The next prime is 1423009421. The reversal of 1423009418 is 8149003241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1420309969 + 2699449 = 37687^2 + 1643^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423009417) 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, 9614855 + ... + 9615002.

Almost surely, 2^1423009418 is an apocalyptic number.

1423009418 is a deficient number, since it is larger than the sum of its proper divisors (769194394).

1423009418 is a wasteful number, since it uses less digits than its factorization.

1423009418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19229896.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1423009418 is about 37722.7970596031. The cubic root of 1423009418 is about 1124.7843321231.

The spelling of 1423009418 in words is "one billion, four hundred twenty-three million, nine thousand, four hundred eighteen".