33906923 has 2 divisors, whose sum is σ = 33906924. Its totient is φ = 33906922.

The previous prime is 33906883. The next prime is 33906941. The reversal of 33906923 is 32960933.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33906923 is a prime.

It is a super-2 number, since 2×33906923² = 2299358854655858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33905923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16953461 + 16953462.

It is an arithmetic number, because the mean of its divisors is an integer number (16953462).

Almost surely, 2^33906923 is an apocalyptic number.

33906923 is a deficient number, since it is larger than the sum of its proper divisors (1).

33906923 is an equidigital number, since it uses as much as digits as its factorization.

33906923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 33906923 is about 5822.9651381405. The cubic root of 33906923 is about 323.6652890278.

The spelling of 33906923 in words is "thirty-three million, nine hundred six thousand, nine hundred twenty-three".