33240023 has 8 divisors (see below), whose sum is σ = 34214592. Its totient is φ = 32269536.

The previous prime is 33240019. The next prime is 33240041. The reversal of 33240023 is 32004233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33240023 - 2² = 33240019 is a prime.

It is a super-2 number, since 2×33240023² = 2209798258081058, 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 = 33239983 and 33240010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33240223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24386 + ... + 25712.

It is an arithmetic number, because the mean of its divisors is an integer number (4276824).

Almost surely, 2^33240023 is an apocalyptic number.

33240023 is a deficient number, since it is larger than the sum of its proper divisors (974569).

33240023 is a wasteful number, since it uses less digits than its factorization.

33240023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 33240023 is about 5765.4161168124. The cubic root of 33240023 is about 321.5292137662.

Adding to 33240023 its reverse (32004233), we get a palindrome (65244256).

The spelling of 33240023 in words is "thirty-three million, two hundred forty thousand, twenty-three".