23026389 has 8 divisors (see below), whose sum is σ = 30736320. Its totient is φ = 15333696.

The previous prime is 23026363. The next prime is 23026391. The reversal of 23026389 is 98362032.

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

It is not a de Polignac number, because 23026389 - 2⁵ = 23026357 is a prime.

It is a super-4 number, since 4×23026389⁴ (a number of 31 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23026589) 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, 777 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (3842040).

Almost surely, 2^23026389 is an apocalyptic number.

It is an amenable number.

23026389 is a deficient number, since it is larger than the sum of its proper divisors (7709931).

23026389 is a wasteful number, since it uses less digits than its factorization.

23026389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 23026389 is about 4798.5819780431. The cubic root of 23026389 is about 284.4954199017.

The spelling of 23026389 in words is "twenty-three million, twenty-six thousand, three hundred eighty-nine".