2311231000123 has 2 divisors, whose sum is σ = 2311231000124. Its totient is φ = 2311231000122.

The previous prime is 2311231000037. The next prime is 2311231000201. The reversal of 2311231000123 is 3210001321132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311231000123 - 2²¹ = 2311228902971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2311231000123.

It is not a weakly prime, because it can be changed into another prime (2311231030123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155615500061 + 1155615500062.

It is an arithmetic number, because the mean of its divisors is an integer number (1155615500062).

Almost surely, 2^{2311231000123} is an apocalyptic number.

2311231000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311231000123 is an equidigital number, since it uses as much as digits as its factorization.

2311231000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2311231000123 its reverse (3210001321132), we get a palindrome (5521232321255).

The spelling of 2311231000123 in words is "two trillion, three hundred eleven billion, two hundred thirty-one million, one hundred twenty-three", and thus it is an aban number.