3123112223113 has 2 divisors, whose sum is σ = 3123112223114. Its totient is φ = 3123112223112.

The previous prime is 3123112223093. The next prime is 3123112223129. The reversal of 3123112223113 is 3113222113213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3100444812864 + 22667410249 = 1760808^2 + 150557^2 .

It is an emirp because it is prime and its reverse (3113222113213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3123112223113 - 2³⁷ = 2985673269641 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123112223813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561556111556 + 1561556111557.

It is an arithmetic number, because the mean of its divisors is an integer number (1561556111557).

Almost surely, 2^{3123112223113} is an apocalyptic number.

It is an amenable number.

3123112223113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123112223113 is an equidigital number, since it uses as much as digits as its factorization.

3123112223113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

Adding to 3123112223113 its reverse (3113222113213), we get a palindrome (6236334336326).

The spelling of 3123112223113 in words is "three trillion, one hundred twenty-three billion, one hundred twelve million, two hundred twenty-three thousand, one hundred thirteen".