33090623 has 2 divisors, whose sum is σ = 33090624. Its totient is φ = 33090622.

The previous prime is 33090613. The next prime is 33090637. The reversal of 33090623 is 32609033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33090623 - 2²² = 28896319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33090592 and 33090601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33090613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16545311 + 16545312.

It is an arithmetic number, because the mean of its divisors is an integer number (16545312).

Almost surely, 2^33090623 is an apocalyptic number.

33090623 is a deficient number, since it is larger than the sum of its proper divisors (1).

33090623 is an equidigital number, since it uses as much as digits as its factorization.

33090623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 33090623 is about 5752.4449584503. Note that the first 3 decimals coincide. The cubic root of 33090623 is about 321.0467771494.

Adding to 33090623 its reverse (32609033), we get a palindrome (65699656).

The spelling of 33090623 in words is "thirty-three million, ninety thousand, six hundred twenty-three".