2423203031111 has 2 divisors, whose sum is σ = 2423203031112. Its totient is φ = 2423203031110.

The previous prime is 2423203031063. The next prime is 2423203031113. The reversal of 2423203031111 is 1111303023242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2423203031111 is a prime.

Together with 2423203031113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423203031113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211601515555 + 1211601515556.

It is an arithmetic number, because the mean of its divisors is an integer number (1211601515556).

Almost surely, 2^{2423203031111} is an apocalyptic number.

2423203031111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423203031111 is an equidigital number, since it uses as much as digits as its factorization.

2423203031111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2423203031111 its reverse (1111303023242), we get a palindrome (3534506054353).

The spelling of 2423203031111 in words is "two trillion, four hundred twenty-three billion, two hundred three million, thirty-one thousand, one hundred eleven".