123682397 has 2 divisors, whose sum is σ = 123682398. Its totient is φ = 123682396.

The previous prime is 123682373. The next prime is 123682399. The reversal of 123682397 is 793286321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117635716 + 6046681 = 10846^2 + 2459^2 .

It is a cyclic number.

It is not a de Polignac number, because 123682397 - 2¹⁶ = 123616861 is a prime.

It is a super-3 number, since 3×123682397³ (a number of 25 digits) contains 333 as substring.

Together with 123682399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123682399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61841198 + 61841199.

It is an arithmetic number, because the mean of its divisors is an integer number (61841199).

Almost surely, 2^123682397 is an apocalyptic number.

It is an amenable number.

123682397 is a deficient number, since it is larger than the sum of its proper divisors (1).

123682397 is an equidigital number, since it uses as much as digits as its factorization.

123682397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 123682397 is about 11121.2587866662. The cubic root of 123682397 is about 498.2369868759.

The spelling of 123682397 in words is "one hundred twenty-three million, six hundred eighty-two thousand, three hundred ninety-seven".