1447328623 has 8 divisors (see below), whose sum is σ = 1560567008. Its totient is φ = 1334362464.

The previous prime is 1447328621. The next prime is 1447328627. The reversal of 1447328623 is 3268237441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1447328623 - 2¹ = 1447328621 is a prime.

It is a super-2 number, since 2×1447328623² = 4189520285910152258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447328621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56940 + ... + 78337.

It is an arithmetic number, because the mean of its divisors is an integer number (195070876).

Almost surely, 2^1447328623 is an apocalyptic number.

1447328623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1447328623 is a deficient number, since it is larger than the sum of its proper divisors (113238385).

1447328623 is a wasteful number, since it uses less digits than its factorization.

1447328623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136113.

The product of its digits is 193536, while the sum is 40.

The square root of 1447328623 is about 38043.7724601544. The cubic root of 1447328623 is about 1131.1556879221.

The spelling of 1447328623 in words is "one billion, four hundred forty-seven million, three hundred twenty-eight thousand, six hundred twenty-three".