242310123547 has 2 divisors, whose sum is σ = 242310123548. Its totient is φ = 242310123546.

The previous prime is 242310123491. The next prime is 242310123589. The reversal of 242310123547 is 745321013242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242310123547 - 2¹⁵ = 242310090779 is a prime.

It is a super-2 number, since 2×242310123547² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242310133547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121155061773 + 121155061774.

It is an arithmetic number, because the mean of its divisors is an integer number (121155061774).

Almost surely, 2^242310123547 is an apocalyptic number.

242310123547 is a deficient number, since it is larger than the sum of its proper divisors (1).

242310123547 is an equidigital number, since it uses as much as digits as its factorization.

242310123547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 242310123547 its reverse (745321013242), we get a palindrome (987631136789).

The spelling of 242310123547 in words is "two hundred forty-two billion, three hundred ten million, one hundred twenty-three thousand, five hundred forty-seven".