1449105723 has 12 divisors (see below), whose sum is σ = 2254164640. Its totient is φ = 891757296.

The previous prime is 1449105709. The next prime is 1449105751. The reversal of 1449105723 is 3275019441.

It is not a de Polignac number, because 1449105723 - 2⁸ = 1449105467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1449105773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6192643 + ... + 6192876.

Almost surely, 2^1449105723 is an apocalyptic number.

1449105723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1449105723 is a deficient number, since it is larger than the sum of its proper divisors (805058917).

1449105723 is a wasteful number, since it uses less digits than its factorization.

1449105723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385538 (or 12385535 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1449105723 is about 38067.1212859601. The cubic root of 1449105723 is about 1131.6184611009.

The spelling of 1449105723 in words is "one billion, four hundred forty-nine million, one hundred five thousand, seven hundred twenty-three".