242618231123 has 2 divisors, whose sum is σ = 242618231124. Its totient is φ = 242618231122.

The previous prime is 242618231047. The next prime is 242618231137. The reversal of 242618231123 is 321132816242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242618231123 is a prime.

It is a super-2 number, since 2×242618231123² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242618231173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121309115561 + 121309115562.

It is an arithmetic number, because the mean of its divisors is an integer number (121309115562).

Almost surely, 2^242618231123 is an apocalyptic number.

242618231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

242618231123 is an equidigital number, since it uses as much as digits as its factorization.

242618231123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The spelling of 242618231123 in words is "two hundred forty-two billion, six hundred eighteen million, two hundred thirty-one thousand, one hundred twenty-three".