298740723 has 8 divisors (see below), whose sum is σ = 399450768. Its totient is φ = 198595584.

The previous prime is 298740709. The next prime is 298740731. The reversal of 298740723 is 327047892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 298740723 - 2¹⁰ = 298739699 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (298740733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139990 + ... + 142107.

It is an arithmetic number, because the mean of its divisors is an integer number (49931346).

Almost surely, 2^298740723 is an apocalyptic number.

298740723 is a deficient number, since it is larger than the sum of its proper divisors (100710045).

298740723 is a wasteful number, since it uses less digits than its factorization.

298740723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282453.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 298740723 is about 17284.1176517634. The cubic root of 298740723 is about 668.4949680818.

The spelling of 298740723 in words is "two hundred ninety-eight million, seven hundred forty thousand, seven hundred twenty-three".