23089499 has 4 divisors (see below), whose sum is σ = 23115864. Its totient is φ = 23063136.

The previous prime is 23089483. The next prime is 23089511. The reversal of 23089499 is 99498032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23089499 - 2⁴ = 23089483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23089459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11822 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (5778966).

Almost surely, 2^23089499 is an apocalyptic number.

23089499 is a deficient number, since it is larger than the sum of its proper divisors (26365).

23089499 is an equidigital number, since it uses as much as digits as its factorization.

23089499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26364.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 23089499 is about 4805.1533794459. The cubic root of 23089499 is about 284.7550948314.

The spelling of 23089499 in words is "twenty-three million, eighty-nine thousand, four hundred ninety-nine".