242123408 has 20 divisors (see below), whose sum is σ = 470350848. Its totient is φ = 120742560.

The previous prime is 242123389. The next prime is 242123417. The reversal of 242123408 is 804321242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13628 + ... + 25883.

Almost surely, 2^242123408 is an apocalyptic number.

It is an amenable number.

242123408 is a deficient number, since it is larger than the sum of its proper divisors (228227440).

242123408 is a wasteful number, since it uses less digits than its factorization.

242123408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39902 (or 39896 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 242123408 is about 15560.3151639033. The cubic root of 242123408 is about 623.2738786904.

The spelling of 242123408 in words is "two hundred forty-two million, one hundred twenty-three thousand, four hundred eight".