298887123 has 8 divisors (see below), whose sum is σ = 400304128. Its totient is φ = 198364104.

The previous prime is 298887103. The next prime is 298887133. The reversal of 298887123 is 321788892.

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

It is not a de Polignac number, because 298887123 - 2⁵ = 298887091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298887103) 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, 222715 + ... + 224052.

It is an arithmetic number, because the mean of its divisors is an integer number (50038016).

Almost surely, 2^298887123 is an apocalyptic number.

298887123 is a deficient number, since it is larger than the sum of its proper divisors (101417005).

298887123 is a wasteful number, since it uses less digits than its factorization.

298887123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446993.

The product of its digits is 387072, while the sum is 48.

The square root of 298887123 is about 17288.3522349587. The cubic root of 298887123 is about 668.6041504744.

It can be divided in two parts, 29888712 and 3, that multiplied together give a triangular number (89666136 = T₁₃₃₉₁).

The spelling of 298887123 in words is "two hundred ninety-eight million, eight hundred eighty-seven thousand, one hundred twenty-three".