123333421706917 has 2 divisors, whose sum is σ = 123333421706918. Its totient is φ = 123333421706916.

The previous prime is 123333421706881. The next prime is 123333421706921. The reversal of 123333421706917 is 719607124333321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96194000085316 + 27139421621601 = 9807854^2 + 5209551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123333421706917 is a prime.

It is a super-2 number, since 2×123333421706917² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123333421706947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61666710853458 + 61666710853459.

It is an arithmetic number, because the mean of its divisors is an integer number (61666710853459).

Almost surely, 2^{123333421706917} is an apocalyptic number.

It is an amenable number.

123333421706917 is a deficient number, since it is larger than the sum of its proper divisors (1).

123333421706917 is an equidigital number, since it uses as much as digits as its factorization.

123333421706917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 123333421706917 in words is "one hundred twenty-three trillion, three hundred thirty-three billion, four hundred twenty-one million, seven hundred six thousand, nine hundred seventeen".