742143310723 has 8 divisors (see below), whose sum is σ = 759452857856. Its totient is φ = 724836054600.

The previous prime is 742143310721. The next prime is 742143310757. The reversal of 742143310723 is 327013341247.

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 742143310723 - 2¹ = 742143310721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742143310721) 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 7 ways as a sum of consecutive naturals, for example, 91558 + ... + 1221748.

It is an arithmetic number, because the mean of its divisors is an integer number (94931607232).

Almost surely, 2^742143310723 is an apocalyptic number.

742143310723 is a deficient number, since it is larger than the sum of its proper divisors (17309547133).

742143310723 is a wasteful number, since it uses less digits than its factorization.

742143310723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145505.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 742143310723 in words is "seven hundred forty-two billion, one hundred forty-three million, three hundred ten thousand, seven hundred twenty-three".