242123022403 has 2 divisors, whose sum is σ = 242123022404. Its totient is φ = 242123022402.

The previous prime is 242123022341. The next prime is 242123022523. The reversal of 242123022403 is 304220321242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242123022403 is a prime.

It is not a weakly prime, because it can be changed into another prime (242123022203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121061511201 + 121061511202.

It is an arithmetic number, because the mean of its divisors is an integer number (121061511202).

Almost surely, 2^242123022403 is an apocalyptic number.

242123022403 is a deficient number, since it is larger than the sum of its proper divisors (1).

242123022403 is an equidigital number, since it uses as much as digits as its factorization.

242123022403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 242123022403 its reverse (304220321242), we get a palindrome (546343343645).

The spelling of 242123022403 in words is "two hundred forty-two billion, one hundred twenty-three million, twenty-two thousand, four hundred three".