1423624272 has 80 divisors (see below), whose sum is σ = 4207206912. Its totient is φ = 406350720.

The previous prime is 1423624271. The next prime is 1423624327. The reversal of 1423624272 is 2724263241.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423624271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599247 + ... + 601617.

Almost surely, 2^1423624272 is an apocalyptic number.

1423624272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423624272 is an abundant number, since it is smaller than the sum of its proper divisors (2783582640).

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

1423624272 is a wasteful number, since it uses less digits than its factorization.

1423624272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176 (or 4170 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 1423624272 is about 37730.9458137482. The cubic root of 1423624272 is about 1124.9463077585.

The spelling of 1423624272 in words is "one billion, four hundred twenty-three million, six hundred twenty-four thousand, two hundred seventy-two".