1447726423 has 16 divisors (see below), whose sum is σ = 1724792832. Its totient is φ = 1197756000.

The previous prime is 1447726411. The next prime is 1447726433. The reversal of 1447726423 is 3246277441.

It is a cyclic number.

It is not a de Polignac number, because 1447726423 - 2¹³ = 1447718231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447726433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61143 + ... + 81448.

It is an arithmetic number, because the mean of its divisors is an integer number (107799552).

Almost surely, 2^1447726423 is an apocalyptic number.

1447726423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1447726423 is a deficient number, since it is larger than the sum of its proper divisors (277066409).

1447726423 is a wasteful number, since it uses less digits than its factorization.

1447726423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142686.

The product of its digits is 225792, while the sum is 40.

The square root of 1447726423 is about 38049.0002891009. Note that the first 3 decimals coincide. The cubic root of 1447726423 is about 1131.2593115927.

The spelling of 1447726423 in words is "one billion, four hundred forty-seven million, seven hundred twenty-six thousand, four hundred twenty-three".