920323933 has 2 divisors, whose sum is σ = 920323934. Its totient is φ = 920323932.

The previous prime is 920323931. The next prime is 920323981. The reversal of 920323933 is 339323029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725386489 + 194937444 = 26933^2 + 13962^2 .

It is an emirp because it is prime and its reverse (339323029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920323933 - 2¹ = 920323931 is a prime.

It is a super-2 number, since 2×920323933² = 1693992283305176978, which contains 22 as substring.

Together with 920323931, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920323931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460161966 + 460161967.

It is an arithmetic number, because the mean of its divisors is an integer number (460161967).

Almost surely, 2^920323933 is an apocalyptic number.

It is an amenable number.

920323933 is a deficient number, since it is larger than the sum of its proper divisors (1).

920323933 is an equidigital number, since it uses as much as digits as its factorization.

920323933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 34.

The square root of 920323933 is about 30336.8411836170. The cubic root of 920323933 is about 972.7029626850.

The spelling of 920323933 in words is "nine hundred twenty million, three hundred twenty-three thousand, nine hundred thirty-three".