242124723 has 12 divisors (see below), whose sum is σ = 356335200. Its totient is φ = 158370576.

The previous prime is 242124719. The next prime is 242124737. The reversal of 242124723 is 327421242.

It is not a de Polignac number, because 242124723 - 2² = 242124719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242124793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253323 + ... + 254276.

It is an arithmetic number, because the mean of its divisors is an integer number (29694600).

Almost surely, 2^242124723 is an apocalyptic number.

242124723 is a deficient number, since it is larger than the sum of its proper divisors (114210477).

242124723 is a wasteful number, since it uses less digits than its factorization.

242124723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507658 (or 507655 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 242124723 is about 15560.3574187742. The cubic root of 242124723 is about 623.2750070456.

Adding to 242124723 its reverse (327421242), we get a palindrome (569545965).

The spelling of 242124723 in words is "two hundred forty-two million, one hundred twenty-four thousand, seven hundred twenty-three".