920323846397 has 2 divisors, whose sum is σ = 920323846398. Its totient is φ = 920323846396.

The previous prime is 920323846381. The next prime is 920323846441. The reversal of 920323846397 is 793648323029.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919122946681 + 1200899716 = 958709^2 + 34654^2 .

It is a cyclic number.

It is not a de Polignac number, because 920323846397 - 2⁴ = 920323846381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920323846367) 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, 460161923198 + 460161923199.

It is an arithmetic number, because the mean of its divisors is an integer number (460161923199).

Almost surely, 2^920323846397 is an apocalyptic number.

It is an amenable number.

920323846397 is a deficient number, since it is larger than the sum of its proper divisors (1).

920323846397 is an equidigital number, since it uses as much as digits as its factorization.

920323846397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 920323846397 in words is "nine hundred twenty billion, three hundred twenty-three million, eight hundred forty-six thousand, three hundred ninety-seven".