1423582272 has 168 divisors, whose sum is σ = 4679752896. Its totient is φ = 405310464.

The previous prime is 1423582253. The next prime is 1423582301. The reversal of 1423582272 is 2722853241.

1423582272 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 582 + 2 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1785778 + ... + 1786574.

It is an arithmetic number, because the mean of its divisors is an integer number (27855672).

Almost surely, 2^1423582272 is an apocalyptic number.

1423582272 is a gapful number since it is divisible by the number (12) 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 1423582272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2339876448).

1423582272 is an abundant number, since it is smaller than the sum of its proper divisors (3256170624).

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

1423582272 is a wasteful number, since it uses less digits than its factorization.

1423582272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1252 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 1423582272 is about 37730.3892373243. The cubic root of 1423582272 is about 1124.9352448654.

The spelling of 1423582272 in words is "one billion, four hundred twenty-three million, five hundred eighty-two thousand, two hundred seventy-two".