123896807 has 2 divisors, whose sum is σ = 123896808. Its totient is φ = 123896806.

The previous prime is 123896797. The next prime is 123896809. The reversal of 123896807 is 708698321.

It is a strong prime.

It is an emirp because it is prime and its reverse (708698321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123896807 - 2¹⁴ = 123880423 is a prime.

Together with 123896809, 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 (123896809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61948403 + 61948404.

It is an arithmetic number, because the mean of its divisors is an integer number (61948404).

Almost surely, 2^123896807 is an apocalyptic number.

123896807 is a deficient number, since it is larger than the sum of its proper divisors (1).

123896807 is an equidigital number, since it uses as much as digits as its factorization.

123896807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 123896807 is about 11130.8942587736. The cubic root of 123896807 is about 498.5247274227.

The spelling of 123896807 in words is "one hundred twenty-three million, eight hundred ninety-six thousand, eight hundred seven".