23140333 has 4 divisors (see below), whose sum is σ = 23151420. Its totient is φ = 23129248.

The previous prime is 23140319. The next prime is 23140357. The reversal of 23140333 is 33304132.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 20088324 + 3052009 = 4482^2 + 1747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23140333 is a prime.

It is a super-2 number, since 2×23140333² = 1070950022701778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23140333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (5787855).

Almost surely, 2^23140333 is an apocalyptic number.

It is an amenable number.

23140333 is a deficient number, since it is larger than the sum of its proper divisors (11087).

23140333 is an equidigital number, since it uses as much as digits as its factorization.

23140333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11086.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 23140333 is about 4810.4400006652. The cubic root of 23140333 is about 284.9639145858.

Adding to 23140333 its reverse (33304132), we get a palindrome (56444465).

The spelling of 23140333 in words is "twenty-three million, one hundred forty thousand, three hundred thirty-three".