744144923 has 4 divisors (see below), whose sum is σ = 746001048. Its totient is φ = 742288800.

The previous prime is 744144913. The next prime is 744144953. The reversal of 744144923 is 329441447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 744144923 - 2²⁸ = 475709467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744144913) 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 3 ways as a sum of consecutive naturals, for example, 927461 + ... + 928262.

It is an arithmetic number, because the mean of its divisors is an integer number (186500262).

Almost surely, 2^744144923 is an apocalyptic number.

744144923 is a deficient number, since it is larger than the sum of its proper divisors (1856125).

744144923 is a wasteful number, since it uses less digits than its factorization.

744144923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856124.

The product of its digits is 96768, while the sum is 38.

The square root of 744144923 is about 27279.0198320981. The cubic root of 744144923 is about 906.1898101729.

The spelling of 744144923 in words is "seven hundred forty-four million, one hundred forty-four thousand, nine hundred twenty-three".