990719323 has 12 divisors (see below), whose sum is σ = 1093244040. Its totient is φ = 897121280.

The previous prime is 990719321. The next prime is 990719341. The reversal of 990719323 is 323917099.

It is not a de Polignac number, because 990719323 - 2¹ = 990719321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 990719323.

It is not an unprimeable number, because it can be changed into a prime (990719321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15168 + ... + 47026.

It is an arithmetic number, because the mean of its divisors is an integer number (91103670).

Almost surely, 2^990719323 is an apocalyptic number.

990719323 is a deficient number, since it is larger than the sum of its proper divisors (102524717).

990719323 is a wasteful number, since it uses less digits than its factorization.

990719323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32138 (or 32127 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 990719323 is about 31475.6941623215. The cubic root of 990719323 is about 996.8968212425.

The spelling of 990719323 in words is "nine hundred ninety million, seven hundred nineteen thousand, three hundred twenty-three".