123417560213 has 2 divisors, whose sum is σ = 123417560214. Its totient is φ = 123417560212.

The previous prime is 123417560209. The next prime is 123417560249. The reversal of 123417560213 is 312065714321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105978244849 + 17439315364 = 325543^2 + 132058^2 .

It is a cyclic number.

It is not a de Polignac number, because 123417560213 - 2² = 123417560209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123417560813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61708780106 + 61708780107.

It is an arithmetic number, because the mean of its divisors is an integer number (61708780107).

Almost surely, 2^123417560213 is an apocalyptic number.

It is an amenable number.

123417560213 is a deficient number, since it is larger than the sum of its proper divisors (1).

123417560213 is an equidigital number, since it uses as much as digits as its factorization.

123417560213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 123417560213 in words is "one hundred twenty-three billion, four hundred seventeen million, five hundred sixty thousand, two hundred thirteen".