33942023 has 4 divisors (see below), whose sum is σ = 33953760. Its totient is φ = 33930288.

The previous prime is 33942017. The next prime is 33942031. The reversal of 33942023 is 32024933.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32024933 = 227 ⋅141079.

It is a cyclic number.

It is not a de Polignac number, because 33942023 - 2¹² = 33937927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33941983 and 33942001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33942053) 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 in 3 ways as a sum of consecutive naturals, for example, 1883 + ... + 8451.

It is an arithmetic number, because the mean of its divisors is an integer number (8488440).

Almost surely, 2^33942023 is an apocalyptic number.

33942023 is a deficient number, since it is larger than the sum of its proper divisors (11737).

33942023 is an equidigital number, since it uses as much as digits as its factorization.

33942023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11736.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 33942023 is about 5825.9782869489. The cubic root of 33942023 is about 323.7769351928.

Adding to 33942023 its reverse (32024933), we get a palindrome (65966956).

The spelling of 33942023 in words is "thirty-three million, nine hundred forty-two thousand, twenty-three".