23089643 has 8 divisors (see below), whose sum is σ = 23697408. Its totient is φ = 22486824.

The previous prime is 23089571. The next prime is 23089657. The reversal of 23089643 is 34698032.

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 23089643 - 2⁸ = 23089387 is a prime.

It is a super-2 number, since 2×23089643² = 1066263227734898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23089663) 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, 9380 + ... + 11582.

It is an arithmetic number, because the mean of its divisors is an integer number (2962176).

Almost surely, 2^23089643 is an apocalyptic number.

23089643 is a deficient number, since it is larger than the sum of its proper divisors (607765).

23089643 is a wasteful number, since it uses less digits than its factorization.

23089643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 23089643 is about 4805.1683633355. The cubic root of 23089643 is about 284.7556867981.

It can be divided in two parts, 23089 and 643, that added together give a palindrome (23732).

The spelling of 23089643 in words is "twenty-three million, eighty-nine thousand, six hundred forty-three".