23427489 has 8 divisors (see below), whose sum is σ = 31291200. Its totient is φ = 15591056.

The previous prime is 23427461. The next prime is 23427491. The reversal of 23427489 is 98472432.

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 23427489 - 2¹⁶ = 23361953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23427449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4722 + ... + 8315.

It is an arithmetic number, because the mean of its divisors is an integer number (3911400).

Almost surely, 2^23427489 is an apocalyptic number.

It is an amenable number.

23427489 is a deficient number, since it is larger than the sum of its proper divisors (7863711).

23427489 is a wasteful number, since it uses less digits than its factorization.

23427489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639.

The product of its digits is 96768, while the sum is 39.

The square root of 23427489 is about 4840.1951406942. The cubic root of 23427489 is about 286.1378091137.

The spelling of 23427489 in words is "twenty-three million, four hundred twenty-seven thousand, four hundred eighty-nine".