242998923 has 16 divisors (see below), whose sum is σ = 349372800. Its totient is φ = 149728320.

The previous prime is 242998919. The next prime is 242998927. The reversal of 242998923 is 329899242.

It is an interprime number because it is at equal distance from previous prime (242998919) and next prime (242998927).

It is not a de Polignac number, because 242998923 - 2² = 242998919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242998927) 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 15 ways as a sum of consecutive naturals, for example, 49653 + ... + 54326.

It is an arithmetic number, because the mean of its divisors is an integer number (21835800).

Almost surely, 2^242998923 is an apocalyptic number.

242998923 is a deficient number, since it is larger than the sum of its proper divisors (106373877).

242998923 is a wasteful number, since it uses less digits than its factorization.

242998923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104042.

The product of its digits is 559872, while the sum is 48.

The square root of 242998923 is about 15588.4227232905. The cubic root of 242998923 is about 624.0242250005.

The spelling of 242998923 in words is "two hundred forty-two million, nine hundred ninety-eight thousand, nine hundred twenty-three".