242415423 has 20 divisors (see below), whose sum is σ = 377874288. Its totient is φ = 154582560.

The previous prime is 242415419. The next prime is 242415431. The reversal of 242415423 is 324514242.

242415423 is a `hidden beast` number, since 242 + 415 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 242415423 - 2² = 242415419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242415413) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63198 + ... + 66923.

Almost surely, 2^242415423 is an apocalyptic number.

242415423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

242415423 is a deficient number, since it is larger than the sum of its proper divisors (135458865).

242415423 is a wasteful number, since it uses less digits than its factorization.

242415423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130156 (or 130147 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 242415423 is about 15569.6956617655. The cubic root of 242415423 is about 623.5243462825.

Adding to 242415423 its reverse (324514242), we get a palindrome (566929665).

The spelling of 242415423 in words is "two hundred forty-two million, four hundred fifteen thousand, four hundred twenty-three".