3011311232123 has 2 divisors, whose sum is σ = 3011311232124. Its totient is φ = 3011311232122.

The previous prime is 3011311232101. The next prime is 3011311232201. The reversal of 3011311232123 is 3212321131103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3011311232123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3011311232023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1505655616061 + 1505655616062.

It is an arithmetic number, because the mean of its divisors is an integer number (1505655616062).

Almost surely, 2^{3011311232123} is an apocalyptic number.

3011311232123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3011311232123 is an equidigital number, since it uses as much as digits as its factorization.

3011311232123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3011311232123 its reverse (3212321131103), we get a palindrome (6223632363226).

The spelling of 3011311232123 in words is "three trillion, eleven billion, three hundred eleven million, two hundred thirty-two thousand, one hundred twenty-three".