242222631523423 has 2 divisors, whose sum is σ = 242222631523424. Its totient is φ = 242222631523422.

The previous prime is 242222631523297. The next prime is 242222631523469. The reversal of 242222631523423 is 324325136222242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242222631523423 - 2¹³ = 242222631515231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242222631523423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242222631529423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121111315761711 + 121111315761712.

It is an arithmetic number, because the mean of its divisors is an integer number (121111315761712).

Almost surely, 2^{242222631523423} is an apocalyptic number.

242222631523423 is a deficient number, since it is larger than the sum of its proper divisors (1).

242222631523423 is an equidigital number, since it uses as much as digits as its factorization.

242222631523423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 43.

Adding to 242222631523423 its reverse (324325136222242), we get a palindrome (566547767745665).

The spelling of 242222631523423 in words is "two hundred forty-two trillion, two hundred twenty-two billion, six hundred thirty-one million, five hundred twenty-three thousand, four hundred twenty-three".