23140033 has 4 divisors (see below), whose sum is σ = 26445760. Its totient is φ = 19834308.

The previous prime is 23140003. The next prime is 23140037. The reversal of 23140033 is 33004132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23140033 is a prime.

It is a super-2 number, since 2×23140033² = 1070922254482178, 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 = 23139989 and 23140016.

It is not an unprimeable number, because it can be changed into a prime (23140037) 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, 1652853 + ... + 1652866.

It is an arithmetic number, because the mean of its divisors is an integer number (6611440).

Almost surely, 2^23140033 is an apocalyptic number.

It is an amenable number.

23140033 is a deficient number, since it is larger than the sum of its proper divisors (3305727).

23140033 is an equidigital number, since it uses as much as digits as its factorization.

23140033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305726.

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

The square root of 23140033 is about 4810.4088183854. The cubic root of 23140033 is about 284.9626831206.

Adding to 23140033 its reverse (33004132), we get a palindrome (56144165).

The spelling of 23140033 in words is "twenty-three million, one hundred forty thousand, thirty-three".