23089478 has 8 divisors (see below), whose sum is σ = 35479080. Its totient is φ = 11263120.

The previous prime is 23089477. The next prime is 23089483. The reversal of 23089478 is 87498032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×23089478³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089477) 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, 140708 + ... + 140871.

It is an arithmetic number, because the mean of its divisors is an integer number (4434885).

Almost surely, 2^23089478 is an apocalyptic number.

23089478 is a deficient number, since it is larger than the sum of its proper divisors (12389602).

23089478 is a wasteful number, since it uses less digits than its factorization.

23089478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281622.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 23089478 is about 4805.1511942914. The cubic root of 23089478 is about 284.7550085027.

The spelling of 23089478 in words is "twenty-three million, eighty-nine thousand, four hundred seventy-eight".