33212023 has 16 divisors (see below), whose sum is σ = 37550016. Its totient is φ = 29145600.

The previous prime is 33211993. The next prime is 33212029. The reversal of 33212023 is 32021233.

It is not a de Polignac number, because 33212023 - 2⁵ = 33211991 is a prime.

It is a super-2 number, since 2×33212023² = 2206076943505058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33211988 and 33212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212029) 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 in 15 ways as a sum of consecutive naturals, for example, 82623 + ... + 83023.

It is an arithmetic number, because the mean of its divisors is an integer number (2346876).

Almost surely, 2^33212023 is an apocalyptic number.

33212023 is a deficient number, since it is larger than the sum of its proper divisors (4337993).

33212023 is a wasteful number, since it uses less digits than its factorization.

33212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 33212023 is about 5762.9873329724. The cubic root of 33212023 is about 321.4389075007.

Adding to 33212023 its reverse (32021233), we get a palindrome (65233256).

The spelling of 33212023 in words is "thirty-three million, two hundred twelve thousand, twenty-three".