1423895898 has 8 divisors (see below), whose sum is σ = 2847791808. Its totient is φ = 474631964.

The previous prime is 1423895887. The next prime is 1423895903. The reversal of 1423895898 is 8985983241.

It is a happy number.

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

1423895898 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 118657986 + ... + 118657997.

It is an arithmetic number, because the mean of its divisors is an integer number (355973976).

Almost surely, 2^1423895898 is an apocalyptic number.

1423895898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423895898 is a wasteful number, since it uses less digits than its factorization.

1423895898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237315988.

The product of its digits is 4976640, while the sum is 57.

The square root of 1423895898 is about 37734.5451542747. The cubic root of 1423895898 is about 1125.0178493958.

The spelling of 1423895898 in words is "one billion, four hundred twenty-three million, eight hundred ninety-five thousand, eight hundred ninety-eight".