23033389 has 4 divisors (see below), whose sum is σ = 23186080. Its totient is φ = 22880700.

The previous prime is 23033369. The next prime is 23033401. The reversal of 23033389 is 98333032.

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 not a de Polignac number, because 23033389 - 2¹⁹ = 22509101 is a prime.

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 23033389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23033359) 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, 76119 + ... + 76420.

It is an arithmetic number, because the mean of its divisors is an integer number (5796520).

Almost surely, 2^23033389 is an apocalyptic number.

It is an amenable number.

23033389 is a deficient number, since it is larger than the sum of its proper divisors (152691).

23033389 is a wasteful number, since it uses less digits than its factorization.

23033389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152690.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 23033389 is about 4799.3113047603. The cubic root of 23033389 is about 284.5242457584.

The spelling of 23033389 in words is "twenty-three million, thirty-three thousand, three hundred eighty-nine".