1423274868 has 192 divisors, whose sum is σ = 4010065920. Its totient is φ = 435435264.

The previous prime is 1423274849. The next prime is 1423274869. The reversal of 1423274868 is 8684723241.

It is a happy number.

1423274868 is a `hidden beast` number, since 142 + 3 + 27 + 486 + 8 = 666.

It is a super-2 number, since 2×1423274868² = 4051422699760834848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423274869) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 8522521 + ... + 8522687.

It is an arithmetic number, because the mean of its divisors is an integer number (20885760).

Almost surely, 2^1423274868 is an apocalyptic number.

1423274868 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 1423274868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2005032960).

1423274868 is an abundant number, since it is smaller than the sum of its proper divisors (2586791052).

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

1423274868 is a wasteful number, since it uses less digits than its factorization.

1423274868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 315 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1423274868 is about 37726.3153249824. The cubic root of 1423274868 is about 1124.8542673448.

The spelling of 1423274868 in words is "one billion, four hundred twenty-three million, two hundred seventy-four thousand, eight hundred sixty-eight".