23428033 has 8 divisors (see below), whose sum is σ = 24362240. Its totient is φ = 22505040.

The previous prime is 23428019. The next prime is 23428037. The reversal of 23428033 is 33082432.

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 23428033 - 2⁵ = 23428001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23427989 and 23428007.

It is not an unprimeable number, because it can be changed into a prime (23428037) 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, 1591 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (3045280).

Almost surely, 2^23428033 is an apocalyptic number.

It is an amenable number.

23428033 is a deficient number, since it is larger than the sum of its proper divisors (934207).

23428033 is a wasteful number, since it uses less digits than its factorization.

23428033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 23428033 is about 4840.2513364494. The cubic root of 23428033 is about 286.1400238590.

The spelling of 23428033 in words is "twenty-three million, four hundred twenty-eight thousand, thirty-three".