23378789 has 8 divisors (see below), whose sum is σ = 26748480. Its totient is φ = 20016576.

The previous prime is 23378753. The next prime is 23378801. The reversal of 23378789 is 98787332.

It is a happy number.

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 23378789 - 2⁸ = 23378533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378489) 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, 9302 + ... + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (3343560).

Almost surely, 2^23378789 is an apocalyptic number.

It is an amenable number.

23378789 is a deficient number, since it is larger than the sum of its proper divisors (3369691).

23378789 is a wasteful number, since it uses less digits than its factorization.

23378789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739.

The product of its digits is 508032, while the sum is 47.

The square root of 23378789 is about 4835.1617346269. The cubic root of 23378789 is about 285.9394014764.

The spelling of 23378789 in words is "twenty-three million, three hundred seventy-eight thousand, seven hundred eighty-nine".