1423650168 has 80 divisors (see below), whose sum is σ = 3993000000. Its totient is φ = 473900544.

The previous prime is 1423650143. The next prime is 1423650191. The reversal of 1423650168 is 8610563241.

It is a happy number.

1423650168 is a `hidden beast` number, since 142 + 3 + 6 + 501 + 6 + 8 = 666.

It is a super-4 number, since 4×1423650168⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 808473 + ... + 810231.

It is an arithmetic number, because the mean of its divisors is an integer number (49912500).

Almost surely, 2^1423650168 is an apocalyptic number.

1423650168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423650168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996500000).

1423650168 is an abundant number, since it is smaller than the sum of its proper divisors (2569349832).

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

1423650168 is a wasteful number, since it uses less digits than its factorization.

1423650168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1423650168 is about 37731.2889787773. The cubic root of 1423650168 is about 1124.9531287139.

The spelling of 1423650168 in words is "one billion, four hundred twenty-three million, six hundred fifty thousand, one hundred sixty-eight".