3121253356223 has 2 divisors, whose sum is σ = 3121253356224. Its totient is φ = 3121253356222.

The previous prime is 3121253356211. The next prime is 3121253356241. The reversal of 3121253356223 is 3226533521213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3121253356223 - 2¹² = 3121253352127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121253353223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560626678111 + 1560626678112.

It is an arithmetic number, because the mean of its divisors is an integer number (1560626678112).

Almost surely, 2^{3121253356223} is an apocalyptic number.

3121253356223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121253356223 is an equidigital number, since it uses as much as digits as its factorization.

3121253356223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 38.

Adding to 3121253356223 its reverse (3226533521213), we get a palindrome (6347786877436).

The spelling of 3121253356223 in words is "three trillion, one hundred twenty-one billion, two hundred fifty-three million, three hundred fifty-six thousand, two hundred twenty-three".