33256423 has 2 divisors, whose sum is σ = 33256424. Its totient is φ = 33256422.

The previous prime is 33256411. The next prime is 33256427. The reversal of 33256423 is 32465233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33256423 - 2¹³ = 33248231 is a prime.

It is a super-2 number, since 2×33256423² = 2211979341509858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33256391 and 33256400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33256427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16628211 + 16628212.

It is an arithmetic number, because the mean of its divisors is an integer number (16628212).

Almost surely, 2^33256423 is an apocalyptic number.

33256423 is a deficient number, since it is larger than the sum of its proper divisors (1).

33256423 is an equidigital number, since it uses as much as digits as its factorization.

33256423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 28.

The square root of 33256423 is about 5766.8382151748. The cubic root of 33256423 is about 321.5820838874.

The spelling of 33256423 in words is "thirty-three million, two hundred fifty-six thousand, four hundred twenty-three".