742003823 has 24 divisors (see below), whose sum is σ = 829632720. Its totient is φ = 663062400.

The previous prime is 742003819. The next prime is 742003861. The reversal of 742003823 is 328300247.

742003823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742003823 - 2² = 742003819 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 (742008823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2640443 + ... + 2640723.

It is an arithmetic number, because the mean of its divisors is an integer number (34568030).

Almost surely, 2^742003823 is an apocalyptic number.

742003823 is a deficient number, since it is larger than the sum of its proper divisors (87628897).

742003823 is a wasteful number, since it uses less digits than its factorization.

742003823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 742003823 is about 27239.7471170347. The cubic root of 742003823 is about 905.3198600752.

The spelling of 742003823 in words is "seven hundred forty-two million, three thousand, eight hundred twenty-three".